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52708992 = 273719609
BaseRepresentation
bin1100100100010…
…0011010000000
310200011220010220
43021010122000
5101443141432
65121423040
71210006350
oct311043200
9120156126
1052708992
1127831056
121579aa80
13abc646b
147000b60
15496272c
hex3244680

52708992 has 64 divisors (see below), whose sum is σ = 160017600. Its totient is φ = 15058944.

The previous prime is 52708991. The next prime is 52709011. The reversal of 52708992 is 29980725.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (52708991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7117 + ... + 12492.

It is an arithmetic number, because the mean of its divisors is an integer number (2500275).

Almost surely, 252708992 is an apocalyptic number.

It is an amenable number.

52708992 is an abundant number, since it is smaller than the sum of its proper divisors (107308608).

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

52708992 is a wasteful number, since it uses less digits than its factorization.

52708992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19633 (or 19621 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 52708992 is about 7260.0958671356. The cubic root of 52708992 is about 374.9398232328.

The spelling of 52708992 in words is "fifty-two million, seven hundred eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 672 896 1344 2688 19609 39218 58827 78436 117654 137263 156872 235308 274526 313744 411789 470616 549052 627488 823578 941232 1098104 1254976 1647156 1882464 2196208 2509952 3294312 3764928 4392416 6588624 7529856 8784832 13177248 17569664 26354496 52708992