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35742420 = 223257191493
BaseRepresentation
bin1000100001011…
…0001011010100
32111020220101100
42020112023110
533122224140
63314030100
7612543210
oct210261324
974226340
1035742420
11191a289a
12bb78330
13753597c
144a65940
153210530
hex22162d4

35742420 has 144 divisors (see below), whose sum is σ = 130515840. Its totient is φ = 7734528.

The previous prime is 35742389. The next prime is 35742451. The reversal of 35742420 is 2424753.

It is an interprime number because it is at equal distance from previous prime (35742389) and next prime (35742451).

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, 23194 + ... + 24686.

It is an arithmetic number, because the mean of its divisors is an integer number (906360).

Almost surely, 235742420 is an apocalyptic number.

35742420 is a gapful number since it is divisible by the number (30) 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 35742420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65257920).

35742420 is an abundant number, since it is smaller than the sum of its proper divisors (94773420).

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

35742420 is a wasteful number, since it uses less digits than its factorization.

35742420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 35742420 is about 5978.4964665039. The cubic root of 35742420 is about 329.4033295284.

The spelling of 35742420 in words is "thirty-five million, seven hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 28 30 35 36 38 42 45 57 60 63 70 76 84 90 95 105 114 126 133 140 171 180 190 210 228 252 266 285 315 342 380 399 420 532 570 630 665 684 798 855 1140 1197 1260 1330 1493 1596 1710 1995 2394 2660 2986 3420 3990 4479 4788 5972 5985 7465 7980 8958 10451 11970 13437 14930 17916 20902 22395 23940 26874 28367 29860 31353 41804 44790 52255 53748 56734 62706 67185 85101 89580 94059 104510 113468 125412 134370 141835 156765 170202 188118 198569 209020 255303 268740 283670 313530 340404 376236 397138 425505 470295 510606 567340 595707 627060 794276 851010 940590 992845 1021212 1191414 1276515 1702020 1787121 1881180 1985690 2382828 2553030 2978535 3574242 3971380 5106060 5957070 7148484 8935605 11914140 17871210 35742420