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83942608 = 2419214533
BaseRepresentation
bin1010000000011…
…01110011010000
312211221201121111
411000031303100
5132442130413
612155103104
72036333431
oct500156320
9184851544
1083942608
1143424362
1224141a94
1314510aa9
14b211488
157581d3d
hex500dcd0

83942608 has 30 divisors (see below), whose sum is σ = 171661074. Its totient is φ = 39759552.

The previous prime is 83942597. The next prime is 83942609. The reversal of 83942608 is 80624938.

It can be written as a sum of positive squares in only one way, i.e., 73753744 + 10188864 = 8588^2 + 3192^2 .

It is a super-2 number, since 2×839426082 = 14092722875683328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83942609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1491 + ... + 13042.

Almost surely, 283942608 is an apocalyptic number.

It is an amenable number.

83942608 is an abundant number, since it is smaller than the sum of its proper divisors (87718466).

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

83942608 is a wasteful number, since it uses less digits than its factorization.

83942608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14579 (or 14554 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 83942608 is about 9162.0198646368. The cubic root of 83942608 is about 437.8521494539.

It can be divided in two parts, 83942 and 608, that multiplied together give a square (51036736 = 71442).

The spelling of 83942608 in words is "eighty-three million, nine hundred forty-two thousand, six hundred eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 361 722 1444 2888 5776 14533 29066 58132 116264 232528 276127 552254 1104508 2209016 4418032 5246413 10492826 20985652 41971304 83942608