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90650742 = 23713166027
BaseRepresentation
bin1010110011100…
…11100001110110
320022120112102220
411121303201312
5141201310432
612554543210
72150342610
oct531634166
9208515386
1090650742
1147196276
1226437b06
1315a1c1c0
14c079db0
157e5972c
hex5673876

90650742 has 32 divisors (see below), whose sum is σ = 223141632. Its totient is φ = 23907744.

The previous prime is 90650737. The next prime is 90650759. The reversal of 90650742 is 24705609.

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, 82468 + ... + 83559.

It is an arithmetic number, because the mean of its divisors is an integer number (6973176).

Almost surely, 290650742 is an apocalyptic number.

90650742 is an abundant number, since it is smaller than the sum of its proper divisors (132490890).

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

90650742 is a wasteful number, since it uses less digits than its factorization.

90650742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166052.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 90650742 is about 9521.0683224100. The cubic root of 90650742 is about 449.2179701363.

The spelling of 90650742 in words is "ninety million, six hundred fifty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 166027 332054 498081 996162 1162189 2158351 2324378 3486567 4316702 6475053 6973134 12950106 15108457 30216914 45325371 90650742