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53779888 = 2423146141
BaseRepresentation
bin1100110100100…
…1110110110000
310202012022010201
43031021312300
5102231424023
65200404544
71222056451
oct315116660
9122168121
1053779888
11283a2698
1216016754
13b1aca26
1471dd128
154ac4bad
hex3349db0

53779888 has 20 divisors (see below), whose sum is σ = 108729648. Its totient is φ = 25720640.

The previous prime is 53779883. The next prime is 53779909. The reversal of 53779888 is 88897735.

53779888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53779883) 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 3 ways as a sum of consecutive naturals, for example, 72703 + ... + 73438.

Almost surely, 253779888 is an apocalyptic number.

It is an amenable number.

53779888 is an abundant number, since it is smaller than the sum of its proper divisors (54949760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53779888 is a wasteful number, since it uses less digits than its factorization.

53779888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146172 (or 146166 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The square root of 53779888 is about 7333.4772107098. The cubic root of 53779888 is about 377.4620531130.

The spelling of 53779888 in words is "fifty-three million, seven hundred seventy-nine thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 23 46 92 184 368 146141 292282 584564 1169128 2338256 3361243 6722486 13444972 26889944 53779888