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157026653 = 771315949
BaseRepresentation
bin10010101110000…
…00100101011101
3101221110210001222
421113000211131
5310144323103
623325343125
73614463440
oct1127004535
9357423058
10157026653
11807014a3
1244707aa5
13266bc2a4
1416bd7657
15dbbb638
hex95c095d

157026653 has 8 divisors (see below), whose sum is σ = 181987200. Its totient is φ = 132698160.

The previous prime is 157026647. The next prime is 157026689. The reversal of 157026653 is 356620751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157026653 - 224 = 140249437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157026613) 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, 157478 + ... + 158471.

It is an arithmetic number, because the mean of its divisors is an integer number (22748400).

Almost surely, 2157026653 is an apocalyptic number.

It is an amenable number.

157026653 is a deficient number, since it is larger than the sum of its proper divisors (24960547).

157026653 is an equidigital number, since it uses as much as digits as its factorization.

157026653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316027.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 157026653 is about 12531.0276114930. The cubic root of 157026653 is about 539.4995970190.

The spelling of 157026653 in words is "one hundred fifty-seven million, twenty-six thousand, six hundred fifty-three".

Divisors: 1 7 71 497 315949 2211643 22432379 157026653