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157204060 = 225133971523
BaseRepresentation
bin10010101111010…
…11111001011100
3101221210210102121
421113223321130
5310221012220
623333232324
73616132606
oct1127537134
9357723377
10157204060
1180812812
12447926a4
1326751c70
1416c42176
15dc03eaa
hex95ebe5c

157204060 has 48 divisors (see below), whose sum is σ = 356652576. Its totient is φ = 57860352.

The previous prime is 157204039. The next prime is 157204063. The reversal of 157204060 is 60402751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157204063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102459 + ... + 103981.

It is an arithmetic number, because the mean of its divisors is an integer number (7430262).

Almost surely, 2157204060 is an apocalyptic number.

157204060 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 157204060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178326288).

157204060 is an abundant number, since it is smaller than the sum of its proper divisors (199448516).

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

157204060 is a wasteful number, since it uses less digits than its factorization.

157204060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 157204060 is about 12538.1043224245. The cubic root of 157204060 is about 539.7026941395.

The spelling of 157204060 in words is "one hundred fifty-seven million, two hundred four thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 397 794 1523 1588 1985 3046 3970 5161 6092 7615 7940 10322 15230 19799 20644 25805 30460 39598 51610 79196 98995 103220 197990 395980 604631 1209262 2418524 3023155 6046310 7860203 12092620 15720406 31440812 39301015 78602030 157204060