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90289024 = 277100769
BaseRepresentation
bin1010110000110…
…11001110000000
320021220011020221
411120123032000
5141103222044
612543112424
72144305210
oct530331600
9207804227
1090289024
1146a69531
12262a2714
1315923677
14bdc4240
157dd7484
hex561b380

90289024 has 32 divisors (see below), whose sum is σ = 205570800. Its totient is φ = 38694912.

The previous prime is 90289009. The next prime is 90289027. The reversal of 90289024 is 42098209.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90289027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49489 + ... + 51280.

Almost surely, 290289024 is an apocalyptic number.

It is an amenable number.

90289024 is an abundant number, since it is smaller than the sum of its proper divisors (115281776).

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

90289024 is a wasteful number, since it uses less digits than its factorization.

90289024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100790 (or 100778 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 90289024 is about 9502.0536727594. The cubic root of 90289024 is about 448.6196781739.

The spelling of 90289024 in words is "ninety million, two hundred eighty-nine thousand, twenty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 100769 201538 403076 705383 806152 1410766 1612304 2821532 3224608 5643064 6449216 11286128 12898432 22572256 45144512 90289024