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90454074 = 2329641811
BaseRepresentation
bin1010110010000…
…11100000111010
320022012112122220
411121003200322
5141124012244
612550424510
72145563334
oct531034072
9208175586
1090454074
1147071537
1226362136
1315980829
14c028454
157e1b319
hex564383a

90454074 has 32 divisors (see below), whose sum is σ = 187669440. Its totient is φ = 29030400.

The previous prime is 90454027. The next prime is 90454097. The reversal of 90454074 is 47045409.

It is a happy 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, 111129 + ... + 111939.

It is an arithmetic number, because the mean of its divisors is an integer number (5864670).

Almost surely, 290454074 is an apocalyptic number.

90454074 is an abundant number, since it is smaller than the sum of its proper divisors (97215366).

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

90454074 is a wasteful number, since it uses less digits than its factorization.

90454074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 90454074 is about 9510.7346719378. The cubic root of 90454074 is about 448.8928734529.

The spelling of 90454074 in words is "ninety million, four hundred fifty-four thousand, seventy-four".

Divisors: 1 2 3 6 29 58 87 174 641 811 1282 1622 1923 2433 3846 4866 18589 23519 37178 47038 55767 70557 111534 141114 519851 1039702 1559553 3119106 15075679 30151358 45227037 90454074