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90327072 = 25311233719
BaseRepresentation
bin1010110001001…
…00100000100000
320021222002110010
411120210200200
5141110431242
612544004520
72144524143
oct530444040
9207862403
1090327072
1146a95080
1226300740
1315937a94
14bdd405a
157de389c
hex5624820

90327072 has 96 divisors (see below), whose sum is σ = 269982720. Its totient is φ = 26174720.

The previous prime is 90327037. The next prime is 90327073. The reversal of 90327072 is 27072309.

It is a tau number, because it is divible by the number of its divisors (96).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90327073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22429 + ... + 26147.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 290327072 is an apocalyptic number.

90327072 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90327072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134991360).

90327072 is an abundant number, since it is smaller than the sum of its proper divisors (179655648).

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

90327072 is a wasteful number, since it uses less digits than its factorization.

90327072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766 (or 3758 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 90327072 is about 9504.0555553932. The cubic root of 90327072 is about 448.6826857750.

The spelling of 90327072 in words is "ninety million, three hundred twenty-seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 23 24 32 33 44 46 48 66 69 88 92 96 132 138 176 184 253 264 276 352 368 506 528 552 736 759 1012 1056 1104 1518 2024 2208 3036 3719 4048 6072 7438 8096 11157 12144 14876 22314 24288 29752 40909 44628 59504 81818 85537 89256 119008 122727 163636 171074 178512 245454 256611 327272 342148 357024 490908 513222 654544 684296 940907 981816 1026444 1309088 1368592 1881814 1963632 2052888 2737184 2822721 3763628 3927264 4105776 5645442 7527256 8211552 11290884 15054512 22581768 30109024 45163536 90327072