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61693056 = 273317851
BaseRepresentation
bin1110101101010…
…1110010000000
311022002022222000
43223111302000
5111243134211
610042144000
71346245065
oct353256200
9138068860
1061693056
11319079a7
12187b2000
13ca20789
14829cc6c
155639656
hex3ad5c80

61693056 has 64 divisors (see below), whose sum is σ = 182090400. Its totient is φ = 20563200.

The previous prime is 61693043. The next prime is 61693087. The reversal of 61693056 is 65039616.

61693056 is a `hidden beast` number, since 616 + 9 + 30 + 5 + 6 = 666.

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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61693056.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5470 + ... + 12381.

Almost surely, 261693056 is an apocalyptic number.

It is an amenable number.

61693056 is an abundant number, since it is smaller than the sum of its proper divisors (120397344).

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

61693056 is a wasteful number, since it uses less digits than its factorization.

61693056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17874 (or 17856 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 61693056 is about 7854.4927270957. The cubic root of 61693056 is about 395.1349344056.

The spelling of 61693056 in words is "sixty-one million, six hundred ninety-three thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 3456 17851 35702 53553 71404 107106 142808 160659 214212 285616 321318 428424 481977 571232 642636 856848 963954 1142464 1285272 1713696 1927908 2284928 2570544 3427392 3855816 5141088 6854784 7711632 10282176 15423264 20564352 30846528 61693056