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157200992 = 2513377887
BaseRepresentation
bin10010101111010…
…11001001100000
3101221210122012222
421113223021200
5310220412432
623333210212
73616120634
oct1127531140
9357718188
10157200992
1180810483
1244790968
1326750750
1416c40dc4
15dc03112
hex95eb260

157200992 has 24 divisors (see below), whose sum is σ = 333297216. Its totient is φ = 72554112.

The previous prime is 157200983. The next prime is 157200997. The reversal of 157200992 is 299002751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157200997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188528 + ... + 189359.

It is an arithmetic number, because the mean of its divisors is an integer number (13887384).

Almost surely, 2157200992 is an apocalyptic number.

It is an amenable number.

157200992 is an abundant number, since it is smaller than the sum of its proper divisors (176096224).

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

157200992 is a wasteful number, since it uses less digits than its factorization.

157200992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377910 (or 377902 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 157200992 is about 12537.9819747837. The cubic root of 157200992 is about 539.6991831644.

The spelling of 157200992 in words is "one hundred fifty-seven million, two hundred thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 377887 755774 1511548 3023096 4912531 6046192 9825062 12092384 19650124 39300248 78600496 157200992