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90083539 = 713989929
BaseRepresentation
bin1010101111010…
…01000011010011
320021111201101101
411113221003103
5141030133124
612534445231
72142461140
oct527510323
9207451341
1090083539
1146939107
1226203817
1315880c90
14bd6d3c7
157d96644
hex55e90d3

90083539 has 8 divisors (see below), whose sum is σ = 110872160. Its totient is φ = 71274816.

The previous prime is 90083509. The next prime is 90083563. The reversal of 90083539 is 93538009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90083539 - 25 = 90083507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90083498 and 90083507.

It is not an unprimeable number, because it can be changed into a prime (90083509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494874 + ... + 495055.

It is an arithmetic number, because the mean of its divisors is an integer number (13859020).

Almost surely, 290083539 is an apocalyptic number.

90083539 is a deficient number, since it is larger than the sum of its proper divisors (20788621).

90083539 is a wasteful number, since it uses less digits than its factorization.

90083539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989949.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 90083539 is about 9491.2348511666. The cubic root of 90083539 is about 448.2790880997.

The spelling of 90083539 in words is "ninety million, eighty-three thousand, five hundred thirty-nine".

Divisors: 1 7 13 91 989929 6929503 12869077 90083539