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83452992 = 2637312003
BaseRepresentation
bin1001111100101…
…10010001000000
312211000211222120
410332112101000
5132330443432
612140404240
72032224120
oct476262100
9184024876
1083452992
114311a517
1223b46680
131439bc8c
14b124c80
1574d6c2c
hex4f96440

83452992 has 112 divisors (see below), whose sum is σ = 260616192. Its totient is φ = 23063040.

The previous prime is 83452991. The next prime is 83453009. The reversal of 83452992 is 29925438.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (83452991) by changing a digit.

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, 40663 + ... + 42665.

Almost surely, 283452992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83452992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130308096).

83452992 is an abundant number, since it is smaller than the sum of its proper divisors (177163200).

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

83452992 is a wasteful number, since it uses less digits than its factorization.

83452992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2046 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 83452992 is about 9135.2609158141. The cubic root of 83452992 is about 436.9991953304. Note that the first 3 decimals are identical.

The spelling of 83452992 in words is "eighty-three million, four hundred fifty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 62 64 84 93 96 112 124 168 186 192 217 224 248 336 372 434 448 496 651 672 744 868 992 1302 1344 1488 1736 1984 2003 2604 2976 3472 4006 5208 5952 6009 6944 8012 10416 12018 13888 14021 16024 20832 24036 28042 32048 41664 42063 48072 56084 62093 64096 84126 96144 112168 124186 128192 168252 186279 192288 224336 248372 336504 372558 384576 434651 448672 496744 673008 745116 869302 897344 993488 1303953 1346016 1490232 1738604 1986976 2607906 2692032 2980464 3477208 3973952 5215812 5960928 6954416 10431624 11921856 13908832 20863248 27817664 41726496 83452992