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90893568 = 283196229
BaseRepresentation
bin1010110101011…
…10110100000000
320100000212112110
411122232310000
5141232043233
613004055320
72152403553
oct532566400
9210025473
1090893568
1147341757
1226534540
1315aa589c
14c10069a
157ea6663
hex56aed00

90893568 has 72 divisors (see below), whose sum is σ = 254682400. Its totient is φ = 28698624.

The previous prime is 90893567. The next prime is 90893623. The reversal of 90893568 is 86539809.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90893563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11478 + ... + 17706.

Almost surely, 290893568 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 90893568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127341200).

90893568 is an abundant number, since it is smaller than the sum of its proper divisors (163788832).

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

90893568 is a wasteful number, since it uses less digits than its factorization.

90893568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267 (or 6253 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 90893568 is about 9533.8118294835. The cubic root of 90893568 is about 449.6187190106.

The spelling of 90893568 in words is "ninety million, eight hundred ninety-three thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 128 152 192 228 256 304 384 456 608 768 912 1216 1824 2432 3648 4864 6229 7296 12458 14592 18687 24916 37374 49832 74748 99664 118351 149496 199328 236702 298992 355053 398656 473404 597984 710106 797312 946808 1195968 1420212 1594624 1893616 2391936 2840424 3787232 4783872 5680848 7574464 11361696 15148928 22723392 30297856 45446784 90893568