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157485887 = 1312114299
BaseRepresentation
bin10010110001100…
…00101100111111
3101222100010000122
421120300230333
5310304022022
623343245155
73621415346
oct1130605477
9358303018
10157485887
1180995529
12448a97bb
1326820320
1416cb6b5d
15dc5c742
hex9630b3f

157485887 has 4 divisors (see below), whose sum is σ = 169600200. Its totient is φ = 145371576.

The previous prime is 157485869. The next prime is 157485907. The reversal of 157485887 is 788584751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157485887 - 212 = 157481791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157485827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6057137 + ... + 6057162.

It is an arithmetic number, because the mean of its divisors is an integer number (42400050).

Almost surely, 2157485887 is an apocalyptic number.

157485887 is a deficient number, since it is larger than the sum of its proper divisors (12114313).

157485887 is a wasteful number, since it uses less digits than its factorization.

157485887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12114312.

The product of its digits is 2508800, while the sum is 53.

The square root of 157485887 is about 12549.3381100359. The cubic root of 157485887 is about 540.0250182739.

The spelling of 157485887 in words is "one hundred fifty-seven million, four hundred eighty-five thousand, eight hundred eighty-seven".

Divisors: 1 13 12114299 157485887