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157310046 = 23310328283
BaseRepresentation
bin10010110000001…
…01110001011110
3101222000011211000
421120011301132
5310232410141
623335411130
73620053605
oct1130056136
9358004730
10157310046
1180885403
1244823aa6
132678b28a
1416c6ca3c
15dc255b6
hex9605c5e

157310046 has 32 divisors (see below), whose sum is σ = 352984320. Its totient is φ = 51925752.

The previous prime is 157310029. The next prime is 157310057. The reversal of 157310046 is 640013751.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8580 + ... + 19703.

It is an arithmetic number, because the mean of its divisors is an integer number (11030760).

Almost surely, 2157310046 is an apocalyptic number.

157310046 is an abundant number, since it is smaller than the sum of its proper divisors (195674274).

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

157310046 is a wasteful number, since it uses less digits than its factorization.

157310046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28397 (or 28391 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 157310046 is about 12542.3301662809. The cubic root of 157310046 is about 539.8239549596.

Adding to 157310046 its reverse (640013751), we get a palindrome (797323797).

The spelling of 157310046 in words is "one hundred fifty-seven million, three hundred ten thousand, forty-six".

Divisors: 1 2 3 6 9 18 27 54 103 206 309 618 927 1854 2781 5562 28283 56566 84849 169698 254547 509094 763641 1527282 2913149 5826298 8739447 17478894 26218341 52436682 78655023 157310046