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151290040 = 23511379293
BaseRepresentation
bin10010000010010…
…00000010111000
3101112200022220211
421001020002320
5302212240130
623002400504
73514641556
oct1101100270
9345608824
10151290040
11784434a0
1242800134
1325461145
1416142bd6
15d436a2a
hex90480b8

151290040 has 64 divisors (see below), whose sum is σ = 381425760. Its totient is φ = 53521920.

The previous prime is 151290023. The next prime is 151290043. The reversal of 151290040 is 40092151.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 151289993 and 151290020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151290043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11634 + ... + 20926.

Almost surely, 2151290040 is an apocalyptic number.

151290040 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 151290040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190712880).

151290040 is an abundant number, since it is smaller than the sum of its proper divisors (230135720).

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

151290040 is a wasteful number, since it uses less digits than its factorization.

151290040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9352 (or 9348 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 151290040 is about 12300.0016260162. The cubic root of 151290040 is about 532.8481298975.

The spelling of 151290040 in words is "one hundred fifty-one million, two hundred ninety thousand, forty".

Divisors: 1 2 4 5 8 10 11 20 22 37 40 44 55 74 88 110 148 185 220 296 370 407 440 740 814 1480 1628 2035 3256 4070 8140 9293 16280 18586 37172 46465 74344 92930 102223 185860 204446 343841 371720 408892 511115 687682 817784 1022230 1375364 1719205 2044460 2750728 3438410 3782251 4088920 6876820 7564502 13753640 15129004 18911255 30258008 37822510 75645020 151290040