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157303157 = 11101141587
BaseRepresentation
bin10010110000001…
…00000101110101
3101221222211100212
421120010011311
5310232200112
623335315205
73620024534
oct1130040565
9357884325
10157303157
1180880210
124481bb05
13267880bb
1416c6a31b
15dc23522
hex9604175

157303157 has 8 divisors (see below), whose sum is σ = 173303712. Its totient is φ = 141586000.

The previous prime is 157303117. The next prime is 157303189. The reversal of 157303157 is 751303751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157303157 - 212 = 157299061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157303117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69683 + ... + 71904.

It is an arithmetic number, because the mean of its divisors is an integer number (21662964).

Almost surely, 2157303157 is an apocalyptic number.

It is an amenable number.

157303157 is a deficient number, since it is larger than the sum of its proper divisors (16000555).

157303157 is a wasteful number, since it uses less digits than its factorization.

157303157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141699.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 157303157 is about 12542.0555332848. The cubic root of 157303157 is about 539.8160747646.

The spelling of 157303157 in words is "one hundred fifty-seven million, three hundred three thousand, one hundred fifty-seven".

Divisors: 1 11 101 1111 141587 1557457 14300287 157303157