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83407625 = 5371929173
BaseRepresentation
bin1001111100010…
…11001100001001
312210221112202022
410332023030021
5132323021000
612135414225
72031644630
oct476131411
9183845668
1083407625
1143099424
1223b24375
1314384432
14b112517
1574c8585
hex4f8b309

83407625 has 64 divisors (see below), whose sum is σ = 130291200. Its totient is φ = 52012800.

The previous prime is 83407619. The next prime is 83407669. The reversal of 83407625 is 52670438.

It is a happy number.

It is not a de Polignac number, because 83407625 - 24 = 83407609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 482039 + ... + 482211.

It is an arithmetic number, because the mean of its divisors is an integer number (2035800).

Almost surely, 283407625 is an apocalyptic number.

It is an amenable number.

83407625 is a deficient number, since it is larger than the sum of its proper divisors (46883575).

83407625 is a wasteful number, since it uses less digits than its factorization.

83407625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 83407625 is about 9132.7775074180. Note that the first 3 decimals coincide. The cubic root of 83407625 is about 436.9199933125.

The spelling of 83407625 in words is "eighty-three million, four hundred seven thousand, six hundred twenty-five".

Divisors: 1 5 7 19 25 29 35 95 125 133 145 173 175 203 475 551 665 725 865 875 1015 1211 2375 2755 3287 3325 3625 3857 4325 5017 5075 6055 13775 16435 16625 19285 21625 23009 25085 25375 30275 35119 68875 82175 95323 96425 115045 125425 151375 175595 410875 476615 482125 575225 627125 667261 877975 2383075 2876125 3336305 4389875 11915375 16681525 83407625