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1376388925 = 5274374099
BaseRepresentation
bin101001000001010…
…0000011100111101
310112220220210122121
41102002200130331
510304323421200
6344324442541
746052053462
oct12202403475
93486823577
101376388925
11646a3240a
12324b49451
1318c202822
14d0b27669
1580c7de1a
hex520a073d

1376388925 has 12 divisors (see below), whose sum is σ = 1709042400. Its totient is φ = 1099614320.

The previous prime is 1376388919. The next prime is 1376388941. The reversal of 1376388925 is 5298836731.

It is not a de Polignac number, because 1376388925 - 29 = 1376388413 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18475 + ... + 55624.

It is an arithmetic number, because the mean of its divisors is an integer number (142420200).

Almost surely, 21376388925 is an apocalyptic number.

It is an amenable number.

1376388925 is a deficient number, since it is larger than the sum of its proper divisors (332653475).

1376388925 is an equidigital number, since it uses as much as digits as its factorization.

1376388925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74852 (or 74847 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 1376388925 is about 37099.7159692632. The cubic root of 1376388925 is about 1112.3643364429.

The spelling of 1376388925 in words is "one billion, three hundred seventy-six million, three hundred eighty-eight thousand, nine hundred twenty-five".

Divisors: 1 5 25 743 3715 18575 74099 370495 1852475 55055557 275277785 1376388925