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90928416 = 253947171
BaseRepresentation
bin1010110101101…
…11010100100000
320100002122100010
411122313110200
5141234202131
613004524520
72152610265
oct532672440
9210078303
1090928416
1147365957
1226550740
1315ab86c7
14c10d26c
157eb1b46
hex56b7520

90928416 has 24 divisors (see below), whose sum is σ = 238687344. Its totient is φ = 30309440.

The previous prime is 90928403. The next prime is 90928423. The reversal of 90928416 is 61482909.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

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, 473490 + ... + 473681.

It is an arithmetic number, because the mean of its divisors is an integer number (9945306).

Almost surely, 290928416 is an apocalyptic number.

90928416 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

90928416 is an abundant number, since it is smaller than the sum of its proper divisors (147758928).

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

90928416 is a wasteful number, since it uses less digits than its factorization.

90928416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947184 (or 947176 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 90928416 is about 9535.6392549215. The cubic root of 90928416 is about 449.6761719617.

The spelling of 90928416 in words is "ninety million, nine hundred twenty-eight thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 947171 1894342 2841513 3788684 5683026 7577368 11366052 15154736 22732104 30309472 45464208 90928416