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61682256 = 24331737227
BaseRepresentation
bin1110101101001…
…1001001010000
311022001210011000
43223103021100
5111242313011
610042022000
71346201436
oct353231120
9138053130
1061682256
11318aa879
12187a7900
13ca1889c
148298d56
155636356
hex3ad3250

61682256 has 160 divisors (see below), whose sum is σ = 193380480. Its totient is φ = 18745344.

The previous prime is 61682237. The next prime is 61682279. The reversal of 61682256 is 65228616.

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 61682256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271615 + ... + 271841.

It is an arithmetic number, because the mean of its divisors is an integer number (1208628).

Almost surely, 261682256 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 61682256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96690240).

61682256 is an abundant number, since it is smaller than the sum of its proper divisors (131698224).

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

61682256 is a wasteful number, since it uses less digits than its factorization.

61682256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 286 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 61682256 is about 7853.8051923892. The cubic root of 61682256 is about 395.1118755904. Note that the first 3 decimals are identical.

The spelling of 61682256 in words is "sixty-one million, six hundred eighty-two thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 37 48 51 54 68 72 74 102 108 111 136 144 148 153 204 216 222 227 272 296 306 333 408 432 444 454 459 592 612 629 666 681 816 888 908 918 999 1224 1258 1332 1362 1776 1816 1836 1887 1998 2043 2448 2516 2664 2724 3632 3672 3774 3859 3996 4086 5032 5328 5448 5661 6129 7344 7548 7718 7992 8172 8399 10064 10896 11322 11577 12258 15096 15436 15984 16344 16798 16983 22644 23154 24516 25197 30192 30872 32688 33596 33966 34731 45288 46308 49032 50394 61744 67192 67932 69462 75591 90576 92616 98064 100788 104193 134384 135864 138924 142783 151182 185232 201576 208386 226773 271728 277848 285566 302364 403152 416772 428349 453546 555696 571132 604728 833544 856698 907092 1142264 1209456 1285047 1667088 1713396 1814184 2284528 2570094 3426792 3628368 3855141 5140188 6853584 7710282 10280376 15420564 20560752 30841128 61682256