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83945116 = 221719431511
BaseRepresentation
bin1010000000011…
…10011010011100
312211221212001101
411000032122130
5132442220431
612155122444
72036343643
oct500163234
9184855041
1083945116
1143426232
1224143424
1314511c88
14b21235a
157582961
hex500e69c

83945116 has 48 divisors (see below), whose sum is σ = 167650560. Its totient is φ = 36529920.

The previous prime is 83945107. The next prime is 83945123. The reversal of 83945116 is 61154938.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54801 + ... + 56311.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 283945116 is an apocalyptic number.

83945116 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

83945116 is a deficient number, since it is larger than the sum of its proper divisors (83705444).

83945116 is a wasteful number, since it uses less digits than its factorization.

83945116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1592 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 83945116 is about 9162.1567329969. The cubic root of 83945116 is about 437.8565100612.

The spelling of 83945116 in words is "eighty-three million, nine hundred forty-five thousand, one hundred sixteen".

Divisors: 1 2 4 17 19 34 38 43 68 76 86 172 323 646 731 817 1292 1462 1511 1634 2924 3022 3268 6044 13889 25687 27778 28709 51374 55556 57418 64973 102748 114836 129946 259892 488053 976106 1104541 1234487 1952212 2209082 2468974 4418164 4937948 20986279 41972558 83945116