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90892944 = 24323371873
BaseRepresentation
bin1010110101011…
…10101010010000
320100000211200100
411122232222100
5141232033234
613004052400
72152402002
oct532565220
9210024610
1090892944
114734123a
1226534100
1315aa550c
14c100372
157ea6399
hex56aea90

90892944 has 60 divisors (see below), whose sum is σ = 255265036. Its totient is φ = 30191616.

The previous prime is 90892913. The next prime is 90892973. The reversal of 90892944 is 44929809.

It can be written as a sum of positive squares in 2 ways, for example, as 10969344 + 79923600 = 3312^2 + 8940^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90892944.

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 11 ways as a sum of consecutive naturals, for example, 47592 + ... + 49464.

Almost surely, 290892944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90892944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127632518).

90892944 is an abundant number, since it is smaller than the sum of its proper divisors (164372092).

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

90892944 is a wasteful number, since it uses less digits than its factorization.

90892944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 90892944 is about 9533.7791037972. The cubic root of 90892944 is about 449.6176901049.

The spelling of 90892944 in words is "ninety million, eight hundred ninety-two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 337 674 1011 1348 1873 2022 2696 3033 3746 4044 5392 5619 6066 7492 8088 11238 12132 14984 16176 16857 22476 24264 29968 33714 44952 48528 67428 89904 134856 269712 631201 1262402 1893603 2524804 3787206 5049608 5680809 7574412 10099216 11361618 15148824 22723236 30297648 45446472 90892944