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90688041 = 3283121403
BaseRepresentation
bin1010110011111…
…00101000101001
320022122102121100
411121330220221
5141204004131
612555432013
72150556423
oct531745051
9208572540
1090688041
11472112a4
1226455609
1315a33182
14c089813
157e657e6
hex567ca29

90688041 has 12 divisors (see below), whose sum is σ = 132573168. Its totient is φ = 59729784.

The previous prime is 90688019. The next prime is 90688069. The reversal of 90688041 is 14088609.

It is a happy number.

It is not a de Polignac number, because 90688041 - 27 = 90687913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90687987 and 90688005.

It is not an unprimeable number, because it can be changed into a prime (90680041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59955 + ... + 61448.

It is an arithmetic number, because the mean of its divisors is an integer number (11047764).

Almost surely, 290688041 is an apocalyptic number.

It is an amenable number.

90688041 is a deficient number, since it is larger than the sum of its proper divisors (41885127).

90688041 is a wasteful number, since it uses less digits than its factorization.

90688041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121492 (or 121489 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 90688041 is about 9523.0268822471. The cubic root of 90688041 is about 449.2795731752.

The spelling of 90688041 in words is "ninety million, six hundred eighty-eight thousand, forty-one".

Divisors: 1 3 9 83 249 747 121403 364209 1092627 10076449 30229347 90688041