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83965090 = 25113831993
BaseRepresentation
bin1010000000100…
…11010010100010
312211222212110011
411000103102202
5132443340330
612155355134
72036456116
oct500232242
9184885404
1083965090
114343a240
1224152aaa
131451b0b1
14b219746
15758882a
hex50134a2

83965090 has 32 divisors (see below), whose sum is σ = 165390336. Its totient is φ = 30437760.

The previous prime is 83965087. The next prime is 83965093. The reversal of 83965090 is 9056938.

It is an interprime number because it is at equal distance from previous prime (83965087) and next prime (83965093).

It is not an unprimeable number, because it can be changed into a prime (83965093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41134 + ... + 43126.

It is an arithmetic number, because the mean of its divisors is an integer number (5168448).

Almost surely, 283965090 is an apocalyptic number.

83965090 is a deficient number, since it is larger than the sum of its proper divisors (81425246).

83965090 is a wasteful number, since it uses less digits than its factorization.

83965090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 83965090 is about 9163.2466953586. The cubic root of 83965090 is about 437.8912353388.

The spelling of 83965090 in words is "eighty-three million, nine hundred sixty-five thousand, ninety".

Divisors: 1 2 5 10 11 22 55 110 383 766 1915 1993 3830 3986 4213 8426 9965 19930 21065 21923 42130 43846 109615 219230 763319 1526638 3816595 7633190 8396509 16793018 41982545 83965090