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83426872 = 2319548861
BaseRepresentation
bin1001111100011…
…11111000111000
312210222112011011
410332033320320
5132324124442
612140043304
72032055014
oct476177070
9183875134
1083426872
1143101931
1223b33534
1314390119
14b119544
1574ce117
hex4f8fe38

83426872 has 16 divisors (see below), whose sum is σ = 164658600. Its totient is φ = 39517920.

The previous prime is 83426857. The next prime is 83426873. The reversal of 83426872 is 27862438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83426873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274279 + ... + 274582.

Almost surely, 283426872 is an apocalyptic number.

It is an amenable number.

83426872 is a deficient number, since it is larger than the sum of its proper divisors (81231728).

83426872 is a wasteful number, since it uses less digits than its factorization.

83426872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548886 (or 548882 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 83426872 is about 9133.8311786457. The cubic root of 83426872 is about 436.9535983630.

The spelling of 83426872 in words is "eighty-three million, four hundred twenty-six thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 19 38 76 152 548861 1097722 2195444 4390888 10428359 20856718 41713436 83426872