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90344964 = 2237528747
BaseRepresentation
bin1010110001010…
…00111000000100
320021222222222210
411120220320010
5141112014324
612544223420
72144630253
oct530507004
9207888883
1090344964
1146aa7566
122630ab70
1315942c78
14bdda79a
157de8d29
hex5628e04

90344964 has 12 divisors (see below), whose sum is σ = 210804944. Its totient is φ = 30114984.

The previous prime is 90344963. The next prime is 90344983. The reversal of 90344964 is 46944309.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×903449642 = 16324425040322592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90344963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3764362 + ... + 3764385.

Almost surely, 290344964 is an apocalyptic number.

It is an amenable number.

90344964 is an abundant number, since it is smaller than the sum of its proper divisors (120459980).

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

90344964 is a wasteful number, since it uses less digits than its factorization.

90344964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528754 (or 7528752 counting only the distinct ones).

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

The square root of 90344964 is about 9504.9967911620. The cubic root of 90344964 is about 448.7123088638.

The spelling of 90344964 in words is "ninety million, three hundred forty-four thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 7528747 15057494 22586241 30114988 45172482 90344964