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90458080 = 2552347523
BaseRepresentation
bin1010110010001…
…00011111100000
320022012202011021
411121010133200
5141124124310
612550455224
72145611116
oct531043740
9208182137
1090458080
1147074549
1226364514
13159825bb
14c029ab6
157e1c5da
hex56447e0

90458080 has 96 divisors (see below), whose sum is σ = 228178944. Its totient is φ = 33808896.

The previous prime is 90458077. The next prime is 90458113. The reversal of 90458080 is 8085409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172699 + ... + 173221.

It is an arithmetic number, because the mean of its divisors is an integer number (2376864).

Almost surely, 290458080 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 90458080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114089472).

90458080 is an abundant number, since it is smaller than the sum of its proper divisors (137720864).

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

90458080 is a wasteful number, since it uses less digits than its factorization.

90458080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 90458080 is about 9510.9452737359. The cubic root of 90458080 is about 448.8995001612.

The spelling of 90458080 in words is "ninety million, four hundred fifty-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 47 80 92 94 115 160 184 188 230 235 368 376 460 470 523 736 752 920 940 1046 1081 1504 1840 1880 2092 2162 2615 3680 3760 4184 4324 5230 5405 7520 8368 8648 10460 10810 12029 16736 17296 20920 21620 24058 24581 34592 41840 43240 48116 49162 60145 83680 86480 96232 98324 120290 122905 172960 192464 196648 240580 245810 384928 393296 481160 491620 565363 786592 962320 983240 1130726 1924640 1966480 2261452 2826815 3932960 4522904 5653630 9045808 11307260 18091616 22614520 45229040 90458080