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157543430 = 25114313323
BaseRepresentation
bin10010110001111…
…10110000000110
3101222110000221212
421120332300012
5310312342210
623344411422
73622045202
oct1130766006
9358400855
10157543430
1180a24790
1244916b72
1326840585
1416ccdb02
15dc6e805
hex963ec06

157543430 has 32 divisors (see below), whose sum is σ = 310169088. Its totient is φ = 57138400.

The previous prime is 157543429. The next prime is 157543453. The reversal of 157543430 is 34345751.

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, 45749 + ... + 49071.

It is an arithmetic number, because the mean of its divisors is an integer number (9692784).

Almost surely, 2157543430 is an apocalyptic number.

157543430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157543430 is a deficient number, since it is larger than the sum of its proper divisors (152625658).

157543430 is a wasteful number, since it uses less digits than its factorization.

157543430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 157543430 is about 12551.6305713640. The cubic root of 157543430 is about 540.0907826338.

The spelling of 157543430 in words is "one hundred fifty-seven million, five hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 431 862 2155 3323 4310 4741 6646 9482 16615 23705 33230 36553 47410 73106 182765 365530 1432213 2864426 7161065 14322130 15754343 31508686 78771715 157543430