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90494634 = 23109138371
BaseRepresentation
bin1010110010011…
…01011010101010
320022021121022010
411121031122222
5141131312014
612551340350
72146122516
oct531153252
9208247263
1090494634
1147099a5a
12263816b6
1315996129
14c039146
157e28359
hex564d6aa

90494634 has 16 divisors (see below), whose sum is σ = 182651040. Its totient is φ = 29887920.

The previous prime is 90494629. The next prime is 90494681. The reversal of 90494634 is 43649409.

It is a junction number, because it is equal to n+sod(n) for n = 90494592 and 90494601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68532 + ... + 69839.

It is an arithmetic number, because the mean of its divisors is an integer number (11415690).

Almost surely, 290494634 is an apocalyptic number.

90494634 is an abundant number, since it is smaller than the sum of its proper divisors (92156406).

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

90494634 is a wasteful number, since it uses less digits than its factorization.

90494634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138485.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 90494634 is about 9512.8667603410. The cubic root of 90494634 is about 448.9599585988.

The spelling of 90494634 in words is "ninety million, four hundred ninety-four thousand, six hundred thirty-four".

Divisors: 1 2 3 6 109 218 327 654 138371 276742 415113 830226 15082439 30164878 45247317 90494634