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83989802 = 2136152957
BaseRepresentation
bin1010000000110…
…01010100101010
312212001010100102
411000121110222
5133000133202
612200105402
72036621141
oct500312452
9185033312
1083989802
1143456866
1224165262
1314529410
14b224758
157590d02
hex501952a

83989802 has 16 divisors (see below), whose sum is σ = 137902632. Its totient is φ = 38128320.

The previous prime is 83989783. The next prime is 83989817. The reversal of 83989802 is 20898938.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9357481 + 74632321 = 3059^2 + 8639^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24893 + ... + 28064.

Almost surely, 283989802 is an apocalyptic number.

83989802 is a deficient number, since it is larger than the sum of its proper divisors (53912830).

83989802 is a wasteful number, since it uses less digits than its factorization.

83989802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53033.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 83989802 is about 9164.5950265137. The cubic root of 83989802 is about 437.9341901222.

The spelling of 83989802 in words is "eighty-three million, nine hundred eighty-nine thousand, eight hundred two".

Divisors: 1 2 13 26 61 122 793 1586 52957 105914 688441 1376882 3230377 6460754 41994901 83989802