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61214592 = 2732329239
BaseRepresentation
bin1110100110000…
…0111110000000
311021012000122010
43221200332000
5111132331332
610024012520
71342213125
oct351407600
9137160563
1061214592
113161047a
1218601140
13c8b3a6a
1481b674c
1555929cc
hex3a60f80

61214592 has 128 divisors (see below), whose sum is σ = 176256000. Its totient is φ = 18765824.

The previous prime is 61214591. The next prime is 61214609. The reversal of 61214592 is 29541216.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61214591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256009 + ... + 256247.

It is an arithmetic number, because the mean of its divisors is an integer number (1377000).

Almost surely, 261214592 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 61214592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88128000).

61214592 is an abundant number, since it is smaller than the sum of its proper divisors (115041408).

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

61214592 is a wasteful number, since it uses less digits than its factorization.

61214592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 296 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 61214592 is about 7823.9754600842. The cubic root of 61214592 is about 394.1107850661.

The spelling of 61214592 in words is "sixty-one million, two hundred fourteen thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 29 32 46 48 58 64 69 87 92 96 116 128 138 174 184 192 232 239 276 348 368 384 464 478 552 667 696 717 736 928 956 1104 1334 1392 1434 1472 1856 1912 2001 2208 2668 2784 2868 2944 3712 3824 4002 4416 5336 5497 5568 5736 6931 7648 8004 8832 10672 10994 11136 11472 13862 15296 16008 16491 20793 21344 21988 22944 27724 30592 32016 32982 41586 42688 43976 45888 55448 64032 65964 83172 85376 87952 91776 110896 128064 131928 159413 166344 175904 221792 256128 263856 318826 332688 351808 443584 478239 527712 637652 665376 703616 887168 956478 1055424 1275304 1330752 1912956 2110848 2550608 2661504 3825912 5101216 7651824 10202432 15303648 20404864 30607296 61214592