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90624768 = 2831329313
BaseRepresentation
bin1010110011011…
…01001100000000
320022112012210220
411121231030000
5141144443033
612554223040
72150204103
oct531551400
9208465726
1090624768
1147178803
1226424a80
1315a10430
14c07073a
157e51bb3
hex566d300

90624768 has 144 divisors (see below), whose sum is σ = 269562720. Its totient is φ = 26836992.

The previous prime is 90624733. The next prime is 90624769. The reversal of 90624768 is 86742609.

It is not an unprimeable number, because it can be changed into a prime (90624769) 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, 289380 + ... + 289692.

Almost surely, 290624768 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 90624768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134781360).

90624768 is an abundant number, since it is smaller than the sum of its proper divisors (178937952).

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

90624768 is a wasteful number, since it uses less digits than its factorization.

90624768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 90624768 is about 9519.7041970851. The cubic root of 90624768 is about 449.1750614891.

The spelling of 90624768 in words is "ninety million, six hundred twenty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 29 32 39 48 52 58 64 78 87 96 104 116 128 156 174 192 208 232 256 312 313 348 377 384 416 464 624 626 696 754 768 832 928 939 1131 1248 1252 1392 1508 1664 1856 1878 2262 2496 2504 2784 3016 3328 3712 3756 4069 4524 4992 5008 5568 6032 7424 7512 8138 9048 9077 9984 10016 11136 12064 12207 15024 16276 18096 18154 20032 22272 24128 24414 27231 30048 32552 36192 36308 40064 48256 48828 54462 60096 65104 72384 72616 80128 96512 97656 108924 118001 120192 130208 144768 145232 195312 217848 236002 240384 260416 289536 290464 354003 390624 435696 472004 520832 580928 708006 781248 871392 944008 1041664 1161856 1416012 1562496 1742784 1888016 2323712 2832024 3124992 3485568 3776032 5664048 6971136 7552064 11328096 15104128 22656192 30208256 45312384 90624768