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82806152 = 23111372383
BaseRepresentation
bin1001110111110…
…00010110001000
312202210222200112
410323320112020
5132144244102
612114453452
72023561232
oct473702610
9182728615
1082806152
1142818540
1223894288
1314203730
14add7252
15740a252
hex4ef8588

82806152 has 32 divisors (see below), whose sum is σ = 182407680. Its totient is φ = 34743360.

The previous prime is 82806149. The next prime is 82806169. The reversal of 82806152 is 25160828.

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 7 ways as a sum of consecutive naturals, for example, 35048 + ... + 37335.

It is an arithmetic number, because the mean of its divisors is an integer number (5700240).

Almost surely, 282806152 is an apocalyptic number.

It is an amenable number.

82806152 is an abundant number, since it is smaller than the sum of its proper divisors (99601528).

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

82806152 is a wasteful number, since it uses less digits than its factorization.

82806152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72413 (or 72409 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 82806152 is about 9099.7885689724. The cubic root of 82806152 is about 435.8672125997.

The spelling of 82806152 in words is "eighty-two million, eight hundred six thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 72383 144766 289532 579064 796213 940979 1592426 1881958 3184852 3763916 6369704 7527832 10350769 20701538 41403076 82806152