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72324486 = 23213309079
BaseRepresentation
bin1000100111110…
…01010110000110
312001002110112200
410103321112012
5122003340421
611102055330
71535514363
oct423712606
9161073480
1072324486
1137909503
122027a546
1311ca3870
14986946a
156539726
hex44f9586

72324486 has 24 divisors (see below), whose sum is σ = 168757680. Its totient is φ = 22253616.

The previous prime is 72324449. The next prime is 72324491. The reversal of 72324486 is 68442327.

It is a self number, because there is not a number n which added to its sum of digits gives 72324486.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 154306 + ... + 154773.

It is an arithmetic number, because the mean of its divisors is an integer number (7031570).

Almost surely, 272324486 is an apocalyptic number.

72324486 is an abundant number, since it is smaller than the sum of its proper divisors (96433194).

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

72324486 is a wasteful number, since it uses less digits than its factorization.

72324486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309100 (or 309097 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 72324486 is about 8504.3804007112. The cubic root of 72324486 is about 416.6407892907.

The spelling of 72324486 in words is "seventy-two million, three hundred twenty-four thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 309079 618158 927237 1854474 2781711 4018027 5563422 8036054 12054081 24108162 36162243 72324486