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157042070 = 25591791487
BaseRepresentation
bin10010101110001…
…00010110010110
3101221111120012222
421113010112112
5310200321240
623325542342
73614556413
oct1127042626
9357446188
10157042070
1180712039
12447149b2
13266c6303
1416bdd10a
15dbc0eb5
hex95c4596

157042070 has 32 divisors (see below), whose sum is σ = 289267200. Its totient is φ = 61365856.

The previous prime is 157042069. The next prime is 157042099. The reversal of 157042070 is 70240751.

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, 104867 + ... + 106353.

It is an arithmetic number, because the mean of its divisors is an integer number (9039600).

Almost surely, 2157042070 is an apocalyptic number.

157042070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157042070 is a deficient number, since it is larger than the sum of its proper divisors (132225130).

157042070 is a wasteful number, since it uses less digits than its factorization.

157042070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 157042070 is about 12531.6427494563. The cubic root of 157042070 is about 539.5172526058.

The spelling of 157042070 in words is "one hundred fifty-seven million, forty-two thousand, seventy".

Divisors: 1 2 5 10 59 118 179 295 358 590 895 1487 1790 2974 7435 10561 14870 21122 52805 87733 105610 175466 266173 438665 532346 877330 1330865 2661730 15704207 31408414 78521035 157042070