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83900936 = 2372214033
BaseRepresentation
bin1010000000000…
…11101000001000
312211212121110002
411000003220020
5132434312221
612154142132
72036101100
oct500035010
9184777402
1083900936
11433a6019
1224121948
13144c7b32
14b200200
15757480b
hex5003a08

83900936 has 24 divisors (see below), whose sum is σ = 182999070. Its totient is φ = 35957376.

The previous prime is 83900909. The next prime is 83900939. The reversal of 83900936 is 63900938.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54848836 + 29052100 = 7406^2 + 5390^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83900936.

It is not an unprimeable number, because it can be changed into a prime (83900939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106625 + ... + 107408.

Almost surely, 283900936 is an apocalyptic number.

It is an amenable number.

83900936 is an abundant number, since it is smaller than the sum of its proper divisors (99098134).

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

83900936 is a wasteful number, since it uses less digits than its factorization.

83900936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214053 (or 214042 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 83900936 is about 9159.7454113092. The cubic root of 83900936 is about 437.7796825014.

The spelling of 83900936 in words is "eighty-three million, nine hundred thousand, nine hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 214033 428066 856132 1498231 1712264 2996462 5992924 10487617 11985848 20975234 41950468 83900936