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90834690 = 2353027823
BaseRepresentation
bin1010110101000…
…00011100000010
320022220212202210
411122200130002
5141223202230
613002522550
72152040112
oct532403402
9208825683
1090834690
11473014a1
1226506456
1315a84b4b
14c0c7042
157e93eb0
hex56a0702

90834690 has 16 divisors (see below), whose sum is σ = 218003328. Its totient is φ = 24222576.

The previous prime is 90834661. The next prime is 90834707. The reversal of 90834690 is 9643809.

It is a super-2 number, since 2×908346902 = 16501881814792200, which contains 22 as substring.

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, 1513882 + ... + 1513941.

It is an arithmetic number, because the mean of its divisors is an integer number (13625208).

Almost surely, 290834690 is an apocalyptic number.

90834690 is an abundant number, since it is smaller than the sum of its proper divisors (127168638).

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

90834690 is a wasteful number, since it uses less digits than its factorization.

90834690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027833.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 90834690 is about 9530.7234772603. The cubic root of 90834690 is about 449.5216150767.

The spelling of 90834690 in words is "ninety million, eight hundred thirty-four thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 3027823 6055646 9083469 15139115 18166938 30278230 45417345 90834690