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53900868 = 22372321213
BaseRepresentation
bin1100110110011…
…1011001000100
310202102110002110
43031213121010
5102244311433
65203141020
71223102250
oct315473104
9122373073
1053900868
112847557a
1216074770
13b222b08
147231260
154aea963
hex3367644

53900868 has 72 divisors (see below), whose sum is σ = 150380608. Its totient is φ = 14718528.

The previous prime is 53900851. The next prime is 53900921. The reversal of 53900868 is 86800935.

53900868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 43830 + ... + 45042.

Almost surely, 253900868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53900868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75190304).

53900868 is an abundant number, since it is smaller than the sum of its proper divisors (96479740).

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

53900868 is a wasteful number, since it uses less digits than its factorization.

53900868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 53900868 is about 7341.7210516336. The cubic root of 53900868 is about 377.7448797829.

The spelling of 53900868 in words is "fifty-three million, nine hundred thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 276 322 483 529 644 966 1058 1213 1587 1932 2116 2426 3174 3639 3703 4852 6348 7278 7406 8491 11109 14556 14812 16982 22218 25473 27899 33964 44436 50946 55798 83697 101892 111596 167394 195293 334788 390586 585879 641677 781172 1171758 1283354 1925031 2343516 2566708 3850062 4491739 7700124 8983478 13475217 17966956 26950434 53900868