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157029470 = 25131207919
BaseRepresentation
bin10010101110000…
…01010001011110
3101221110220221022
421113001101132
5310144420340
623325404142
73614504603
oct1127012136
9357426838
10157029470
1180703624
1244709652
13266c0660
1416bd86aa
15dbbc3b5
hex95c145e

157029470 has 16 divisors (see below), whose sum is σ = 304395840. Its totient is φ = 57980064.

The previous prime is 157029469. The next prime is 157029479. The reversal of 157029470 is 74920751.

It is a self number, because there is not a number n which added to its sum of digits gives 157029470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157029479) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 603830 + ... + 604089.

It is an arithmetic number, because the mean of its divisors is an integer number (19024740).

Almost surely, 2157029470 is an apocalyptic number.

157029470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157029470 is a deficient number, since it is larger than the sum of its proper divisors (147366370).

157029470 is a wasteful number, since it uses less digits than its factorization.

157029470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207939.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 157029470 is about 12531.1400119861. The cubic root of 157029470 is about 539.5028231407.

The spelling of 157029470 in words is "one hundred fifty-seven million, twenty-nine thousand, four hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 1207919 2415838 6039595 12079190 15702947 31405894 78514735 157029470