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90344884 = 2273226603
BaseRepresentation
bin1010110001010…
…00110110110100
320021222222212211
411120220312310
5141112014014
612544223204
72144630110
oct530506664
9207888784
1090344884
1146aa74a3
122630ab04
1315942c16
14bdda740
157de8cc4
hex5628db4

90344884 has 12 divisors (see below), whose sum is σ = 180689824. Its totient is φ = 38719224.

The previous prime is 90344827. The next prime is 90344887. The reversal of 90344884 is 48844309.

90344884 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90344887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613274 + ... + 1613329.

Almost surely, 290344884 is an apocalyptic number.

It is an amenable number.

90344884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90344884 is a wasteful number, since it uses less digits than its factorization.

90344884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226614 (or 3226612 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 90344884 is about 9504.9925828482. The cubic root of 90344884 is about 448.7121764196.

The spelling of 90344884 in words is "ninety million, three hundred forty-four thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 3226603 6453206 12906412 22586221 45172442 90344884