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157467420 = 2232511671187
BaseRepresentation
bin10010110001011…
…00001100011100
3101222022011200200
421120230030130
5310302424140
623343023500
73621310455
oct1130541434
9358264620
10157467420
1180982670
124489ab90
1326814ab6
1416cb012c
15dc57030
hex962c31c

157467420 has 144 divisors (see below), whose sum is σ = 529296768. Its totient is φ = 37572480.

The previous prime is 157467377. The next prime is 157467463. The reversal of 157467420 is 24764751.

157467420 is a `hidden beast` number, since 1 + 574 + 67 + 4 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (157467377) and next prime (157467463).

It is a super-2 number, since 2×1574674202 = 49591976722912800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132067 + ... + 133253.

It is an arithmetic number, because the mean of its divisors is an integer number (3675672).

Almost surely, 2157467420 is an apocalyptic number.

157467420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157467420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264648384).

157467420 is an abundant number, since it is smaller than the sum of its proper divisors (371829348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157467420 is a wasteful number, since it uses less digits than its factorization.

157467420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 157467420 is about 12548.6023126084. The cubic root of 157467420 is about 540.0039094367.

The spelling of 157467420 in words is "one hundred fifty-seven million, four hundred sixty-seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 67 90 99 110 132 134 165 180 198 201 220 268 330 335 396 402 495 603 660 670 737 804 990 1005 1187 1206 1340 1474 1980 2010 2211 2374 2412 2948 3015 3561 3685 4020 4422 4748 5935 6030 6633 7122 7370 8844 10683 11055 11870 12060 13057 13266 14244 14740 17805 21366 22110 23740 26114 26532 33165 35610 39171 42732 44220 52228 53415 65285 66330 71220 78342 79529 106830 117513 130570 132660 156684 159058 195855 213660 235026 238587 261140 318116 391710 397645 470052 477174 587565 715761 783420 795290 874819 954348 1175130 1192935 1431522 1590580 1749638 2350260 2385870 2624457 2863044 3499276 3578805 4374095 4771740 5248914 7157610 7873371 8748190 10497828 13122285 14315220 15746742 17496380 26244570 31493484 39366855 52489140 78733710 157467420