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53023808 = 261734789
BaseRepresentation
bin1100101001000…
…1010001000000
310200202212222202
43022101101000
5102033230213
65132252332
71212460235
oct312212100
9120685882
1053023808
1127a26632
12159110a8
13aca6846
14708378c
1549c5b58
hex3291440

53023808 has 28 divisors (see below), whose sum is σ = 105849420. Its totient is φ = 26353152.

The previous prime is 53023807. The next prime is 53023811. The reversal of 53023808 is 80832035.

It can be written as a sum of positive squares in 2 ways, for example, as 25482304 + 27541504 = 5048^2 + 5248^2 .

It is not an unprimeable number, because it can be changed into a prime (53023807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8678 + ... + 13466.

Almost surely, 253023808 is an apocalyptic number.

It is an amenable number.

53023808 is a deficient number, since it is larger than the sum of its proper divisors (52825612).

53023808 is a wasteful number, since it uses less digits than its factorization.

53023808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974 (or 4964 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 53023808 is about 7281.7448458457. The cubic root of 53023808 is about 375.6848120660.

The spelling of 53023808 in words is "fifty-three million, twenty-three thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 64 173 346 692 1384 2768 4789 5536 9578 11072 19156 38312 76624 153248 306496 828497 1656994 3313988 6627976 13255952 26511904 53023808