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82132192 = 255379613
BaseRepresentation
bin1001110010100…
…11110011100000
312201112202012001
410321103303200
5132011212232
612052213344
72015053312
oct471236340
9181482161
1082132192
11423a814a
122360a254
1314028a3c
14ac9d7b2
1573256e7
hex4e53ce0

82132192 has 48 divisors (see below), whose sum is σ = 167106240. Its totient is φ = 39716352.

The previous prime is 82132187. The next prime is 82132199. The reversal of 82132192 is 29123128.

It is a self number, because there is not a number n which added to its sum of digits gives 82132192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82132199) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 133678 + ... + 134290.

It is an arithmetic number, because the mean of its divisors is an integer number (3481380).

Almost surely, 282132192 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 82132192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83553120).

82132192 is an abundant number, since it is smaller than the sum of its proper divisors (84974048).

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

82132192 is a wasteful number, since it uses less digits than its factorization.

82132192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 747 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 82132192 is about 9062.6812809455. The cubic root of 82132192 is about 434.6814808372.

The spelling of 82132192 in words is "eighty-two million, one hundred thirty-two thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 53 79 106 158 212 316 424 613 632 848 1226 1264 1696 2452 2528 4187 4904 8374 9808 16748 19616 32489 33496 48427 64978 66992 96854 129956 133984 193708 259912 387416 519824 774832 1039648 1549664 2566631 5133262 10266524 20533048 41066096 82132192