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157533713 = 1729319541
BaseRepresentation
bin10010110001111…
…00011000010001
3101222102112121222
421120330120101
5310312034323
623344254425
73622004651
oct1130743021
9358375558
10157533713
1180a18457
1244911415
132683901c
1416cca361
15dc6b9c8
hex963c611

157533713 has 8 divisors (see below), whose sum is σ = 172552680. Its totient is φ = 143153920.

The previous prime is 157533703. The next prime is 157533749. The reversal of 157533713 is 317335751.

It can be written as a sum of positive squares in 4 ways, for example, as 33500944 + 124032769 = 5788^2 + 11137^2 .

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 157533713 - 210 = 157532689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157533703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159278 + ... + 160263.

It is an arithmetic number, because the mean of its divisors is an integer number (21569085).

Almost surely, 2157533713 is an apocalyptic number.

It is an amenable number.

157533713 is a deficient number, since it is larger than the sum of its proper divisors (15018967).

157533713 is a wasteful number, since it uses less digits than its factorization.

157533713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319587.

The product of its digits is 33075, while the sum is 35.

The square root of 157533713 is about 12551.2434842130. The cubic root of 157533713 is about 540.0796784576.

The spelling of 157533713 in words is "one hundred fifty-seven million, five hundred thirty-three thousand, seven hundred thirteen".

Divisors: 1 17 29 493 319541 5432197 9266689 157533713