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1385112625 = 53135991423
BaseRepresentation
bin101001010001111…
…0010010000110001
310120112100000022121
41102203302100301
510314042101000
6345235434241
746216156141
oct12243622061
93515300277
101385112625
11650950686
12327a55981
13190c68490
14d1d58921
1581903b1a
hex528f2431

1385112625 has 32 divisors (see below), whose sum is σ = 1866009600. Its totient is φ = 1020427200.

The previous prime is 1385112623. The next prime is 1385112629. The reversal of 1385112625 is 5262115831.

It is not a de Polignac number, because 1385112625 - 21 = 1385112623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1385112623) 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 31 ways as a sum of consecutive naturals, for example, 972664 + ... + 974086.

It is an arithmetic number, because the mean of its divisors is an integer number (58312800).

Almost surely, 21385112625 is an apocalyptic number.

It is an amenable number.

1385112625 is a deficient number, since it is larger than the sum of its proper divisors (480896975).

1385112625 is a wasteful number, since it uses less digits than its factorization.

1385112625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050 (or 2040 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 1385112625 is about 37217.1012439174. The cubic root of 1385112625 is about 1114.7094834555.

The spelling of 1385112625 in words is "one billion, three hundred eighty-five million, one hundred twelve thousand, six hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 599 1423 1625 2995 7115 7787 14975 18499 35575 38935 74875 92495 177875 194675 462475 852377 973375 2312375 4261885 11080901 21309425 55404505 106547125 277022525 1385112625