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157361233 = 1283122651
BaseRepresentation
bin10010110000100…
…10010001010001
3101222002210000211
421120102101101
5310241024413
623340444121
73620356051
oct1130222121
9358083024
10157361233
118090a907
1244849641
13267a8673
1416c83561
15dc3583d
hex9612451

157361233 has 4 divisors (see below), whose sum is σ = 157485168. Its totient is φ = 157237300.

The previous prime is 157361189. The next prime is 157361263. The reversal of 157361233 is 332163751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-157361233 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157361195 and 157361204.

It is not an unprimeable number, because it can be changed into a prime (157361263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60043 + ... + 62608.

It is an arithmetic number, because the mean of its divisors is an integer number (39371292).

Almost surely, 2157361233 is an apocalyptic number.

It is an amenable number.

157361233 is a deficient number, since it is larger than the sum of its proper divisors (123935).

157361233 is a wasteful number, since it uses less digits than its factorization.

157361233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123934.

The product of its digits is 11340, while the sum is 31.

The square root of 157361233 is about 12544.3705701004. The cubic root of 157361233 is about 539.8824995831.

The spelling of 157361233 in words is "one hundred fifty-seven million, three hundred sixty-one thousand, two hundred thirty-three".

Divisors: 1 1283 122651 157361233