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157483920 = 24351131729
BaseRepresentation
bin10010110001100…
…00001110010000
3101222100000022210
421120300032100
5310303441140
623343232120
73621406536
oct1130601620
9358300283
10157483920
1180994000
12448a8640
132681c469
1416cb6156
15dc5bd80
hex9630390

157483920 has 320 divisors, whose sum is σ = 588176640. Its totient is φ = 34693120.

The previous prime is 157483873. The next prime is 157483943. The reversal of 157483920 is 29384751.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5430466 + ... + 5430494.

It is an arithmetic number, because the mean of its divisors is an integer number (1838052).

Almost surely, 2157483920 is an apocalyptic number.

157483920 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 157483920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294088320).

157483920 is an abundant number, since it is smaller than the sum of its proper divisors (430692720).

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

157483920 is a wasteful number, since it uses less digits than its factorization.

157483920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 157483920 is about 12549.2597391241. The cubic root of 157483920 is about 540.0227699589.

The spelling of 157483920 in words is "one hundred fifty-seven million, four hundred eighty-three thousand, nine hundred twenty".