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83351982 = 2371984571
BaseRepresentation
bin1001111011111…
…01100110101110
312210211201102110
410331331212232
5132314230412
612134304450
72031323460
oct475754656
9183751373
1083351982
114306063a
1223ab8126
1314364ccc
14b0da130
1574b6d3c
hex4f7d9ae

83351982 has 16 divisors (see below), whose sum is σ = 190518912. Its totient is φ = 23814840.

The previous prime is 83351959. The next prime is 83351999. The reversal of 83351982 is 28915338.

It is a self number, because there is not a number n which added to its sum of digits gives 83351982.

It is a congruent number.

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, 992244 + ... + 992327.

It is an arithmetic number, because the mean of its divisors is an integer number (11907432).

Almost surely, 283351982 is an apocalyptic number.

83351982 is an abundant number, since it is smaller than the sum of its proper divisors (107166930).

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

83351982 is a wasteful number, since it uses less digits than its factorization.

83351982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984583.

The product of its digits is 51840, while the sum is 39.

The square root of 83351982 is about 9129.7306641543. The cubic root of 83351982 is about 436.8228121598.

The spelling of 83351982 in words is "eighty-three million, three hundred fifty-one thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 1984571 3969142 5953713 11907426 13891997 27783994 41675991 83351982