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157189046 = 2730373697
BaseRepresentation
bin10010101111010…
…00001110110110
3101221210000211112
421113220032312
5310220022141
623333035022
73616041050
oct1127501666
9357700745
10157189046
1180802503
1244785a72
1326748191
1416c3a8d0
15dbee7eb
hex95e83b6

157189046 has 16 divisors (see below), whose sum is σ = 269628576. Its totient is φ = 67326336.

The previous prime is 157189013. The next prime is 157189049. The reversal of 157189046 is 640981751.

It is a junction number, because it is equal to n+sod(n) for n = 157188994 and 157189012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157189049) 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, 40670 + ... + 44366.

It is an arithmetic number, because the mean of its divisors is an integer number (16851786).

Almost surely, 2157189046 is an apocalyptic number.

157189046 is a deficient number, since it is larger than the sum of its proper divisors (112439530).

157189046 is a wasteful number, since it uses less digits than its factorization.

157189046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 157189046 is about 12537.5055732789. The cubic root of 157189046 is about 539.6855118983.

The spelling of 157189046 in words is "one hundred fifty-seven million, one hundred eighty-nine thousand, forty-six".

Divisors: 1 2 7 14 3037 3697 6074 7394 21259 25879 42518 51758 11227789 22455578 78594523 157189046