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53873825 = 522154953
BaseRepresentation
bin1100110110000…
…0110010100001
310202101001222212
43031200302201
5102242430300
65202411505
71222630355
oct315406241
9122331885
1053873825
1128457225
1216060b95
13b213705
147225465
154ae2935
hex3360ca1

53873825 has 6 divisors (see below), whose sum is σ = 66803574. Its totient is φ = 43099040.

The previous prime is 53873821. The next prime is 53873849. The reversal of 53873825 is 52837835.

It can be written as a sum of positive squares in 3 ways, for example, as 9024016 + 44849809 = 3004^2 + 6697^2 .

It is not a de Polignac number, because 53873825 - 22 = 53873821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53873821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1077452 + ... + 1077501.

It is an arithmetic number, because the mean of its divisors is an integer number (11133929).

Almost surely, 253873825 is an apocalyptic number.

It is an amenable number.

53873825 is a deficient number, since it is larger than the sum of its proper divisors (12929749).

53873825 is a wasteful number, since it uses less digits than its factorization.

53873825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154963 (or 2154958 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 53873825 is about 7339.8790861975. The cubic root of 53873825 is about 377.6816954964.

The spelling of 53873825 in words is "fifty-three million, eight hundred seventy-three thousand, eight hundred twenty-five".

Divisors: 1 5 25 2154953 10774765 53873825