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82802136 = 23316192131
BaseRepresentation
bin1001110111101…
…11010111011000
312202210210011210
410323313113120
5132144132021
612114423120
72023543434
oct473672730
9182723153
1082802136
114281551a
1223891aa0
1314201961
14add59c4
157408e76
hex4ef75d8

82802136 has 32 divisors (see below), whose sum is σ = 207230400. Its totient is φ = 27570720.

The previous prime is 82802081. The next prime is 82802141. The reversal of 82802136 is 63120828.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37791 + ... + 39921.

It is an arithmetic number, because the mean of its divisors is an integer number (6475950).

Almost surely, 282802136 is an apocalyptic number.

It is an amenable number.

82802136 is an abundant number, since it is smaller than the sum of its proper divisors (124428264).

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

82802136 is a wasteful number, since it uses less digits than its factorization.

82802136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759 (or 3755 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 82802136 is about 9099.5679018292. The cubic root of 82802136 is about 435.8601661384.

The spelling of 82802136 in words is "eighty-two million, eight hundred two thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 1619 2131 3238 4262 4857 6393 6476 8524 9714 12786 12952 17048 19428 25572 38856 51144 3450089 6900178 10350267 13800356 20700534 27600712 41401068 82802136