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90795740 = 22571993259
BaseRepresentation
bin1010110100101…
…10111011011100
320022211220100012
411122112323130
5141220430430
613002022352
72151515420
oct532267334
9208756305
1090795740
1147285202
12264a79b8
1315a701b9
14c0b6b80
157e87695
hex5696edc

90795740 has 48 divisors (see below), whose sum is σ = 219072000. Its totient is φ = 30964032.

The previous prime is 90795701. The next prime is 90795751. The reversal of 90795740 is 4759709.

It is a happy number.

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, 26231 + ... + 29489.

It is an arithmetic number, because the mean of its divisors is an integer number (4564000).

Almost surely, 290795740 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 90795740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109536000).

90795740 is an abundant number, since it is smaller than the sum of its proper divisors (128276260).

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

90795740 is a wasteful number, since it uses less digits than its factorization.

90795740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 90795740 is about 9528.6798665922. The cubic root of 90795740 is about 449.4573541278.

The spelling of 90795740 in words is "ninety million, seven hundred ninety-five thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 199 398 796 995 1393 1990 2786 3259 3980 5572 6518 6965 13036 13930 16295 22813 27860 32590 45626 65180 91252 114065 228130 456260 648541 1297082 2594164 3242705 4539787 6485410 9079574 12970820 18159148 22698935 45397870 90795740