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625795885 = 51113875239
BaseRepresentation
bin100101010011001…
…110001100101101
31121121112201120101
4211103032030231
52240200432020
6142032551101
721336114541
oct4523161455
91547481511
10625795885
112a1277790
121556b2491
139c85b130
145d17da21
1539e1600a
hex254ce32d

625795885 has 16 divisors (see below), whose sum is σ = 882241920. Its totient is φ = 420114240.

The previous prime is 625795867. The next prime is 625795903. The reversal of 625795885 is 588597526.

625795885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (625795867) and next prime (625795903).

It is not a de Polignac number, because 625795885 - 211 = 625793837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436905 + ... + 438334.

It is an arithmetic number, because the mean of its divisors is an integer number (55140120).

Almost surely, 2625795885 is an apocalyptic number.

625795885 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

625795885 is a deficient number, since it is larger than the sum of its proper divisors (256446035).

625795885 is a wasteful number, since it uses less digits than its factorization.

625795885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875268.

The product of its digits is 6048000, while the sum is 55.

The square root of 625795885 is about 25015.9126357605. The cubic root of 625795885 is about 855.3507378535.

The spelling of 625795885 in words is "six hundred twenty-five million, seven hundred ninety-five thousand, eight hundred eighty-five".

Divisors: 1 5 11 13 55 65 143 715 875239 4376195 9627629 11378107 48138145 56890535 125159177 625795885