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82633290 = 2353188853
BaseRepresentation
bin1001110110011…
…10001001001010
312202111012120020
410323032021022
5132123231130
612111041310
72022241245
oct473161112
9182435506
1082633290
114270a683
1223810236
1314172b4c
14ad9025c
1573c3e10
hex4ece24a

82633290 has 32 divisors (see below), whose sum is σ = 204719616. Its totient is φ = 21324480.

The previous prime is 82633253. The next prime is 82633333. The reversal of 82633290 is 9233628.

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 15 ways as a sum of consecutive naturals, for example, 43497 + ... + 45356.

It is an arithmetic number, because the mean of its divisors is an integer number (6397488).

Almost surely, 282633290 is an apocalyptic number.

82633290 is an abundant number, since it is smaller than the sum of its proper divisors (122086326).

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

82633290 is a wasteful number, since it uses less digits than its factorization.

82633290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88894.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 82633290 is about 9090.2854740652. The cubic root of 82633290 is about 435.5637030741.

The spelling of 82633290 in words is "eighty-two million, six hundred thirty-three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 88853 177706 266559 444265 533118 888530 1332795 2665590 2754443 5508886 8263329 13772215 16526658 27544430 41316645 82633290