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72682796 = 22149121951
BaseRepresentation
bin1000101010100…
…00110100101100
312001202200001102
410111100310230
5122101322141
611113502232
71541536124
oct425206454
9161680042
1072682796
113803372a
1220411978
131209a994
14991dc84
1565aa99b
hex4550d2c

72682796 has 12 divisors (see below), whose sum is σ = 128049600. Its totient is φ = 36097200.

The previous prime is 72682789. The next prime is 72682807. The reversal of 72682796 is 69728627.

It is a self number, because there is not a number n which added to its sum of digits gives 72682796.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60380 + ... + 61571.

It is an arithmetic number, because the mean of its divisors is an integer number (10670800).

Almost surely, 272682796 is an apocalyptic number.

It is an amenable number.

72682796 is a deficient number, since it is larger than the sum of its proper divisors (55366804).

72682796 is a wasteful number, since it uses less digits than its factorization.

72682796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122104 (or 122102 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 72682796 is about 8525.4205761358. The cubic root of 72682796 is about 417.3276968371.

The spelling of 72682796 in words is "seventy-two million, six hundred eighty-two thousand, seven hundred ninety-six".

Divisors: 1 2 4 149 298 596 121951 243902 487804 18170699 36341398 72682796