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3807942125 = 53132343349
BaseRepresentation
bin1110001011111000…
…1001010111101101
3100211101022111120112
43202332021113231
530244313122000
61425505225405
7163235655041
oct34276112755
910741274515
103807942125
111684536309
128a3332265
13488bb83c0
14281a3c021
15174489235
hexe2f895ed

3807942125 has 16 divisors (see below), whose sum is σ = 5117876400. Its totient is φ = 2812017600.

The previous prime is 3807942101. The next prime is 3807942161. The reversal of 3807942125 is 5212497083.

It can be written as a sum of positive squares in 8 ways, for example, as 2869316356 + 938625769 = 53566^2 + 30637^2 .

It is not a de Polignac number, because 3807942125 - 28 = 3807941869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170050 + ... + 1173299.

It is an arithmetic number, because the mean of its divisors is an integer number (319867275).

Almost surely, 23807942125 is an apocalyptic number.

It is an amenable number.

3807942125 is a deficient number, since it is larger than the sum of its proper divisors (1309934275).

3807942125 is a wasteful number, since it uses less digits than its factorization.

3807942125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343377 (or 2343367 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 3807942125 is about 61708.5255455030. The cubic root of 3807942125 is about 1561.5771531870.

The spelling of 3807942125 in words is "three billion, eight hundred seven million, nine hundred forty-two thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 1625 2343349 11716745 30463537 58583725 152317685 292918625 761588425 3807942125