Search a number
-
+
73982568 = 23311713947
BaseRepresentation
bin1000110100011…
…10001001101000
312011012201000010
410122032021220
5122414420233
611201411520
71555561422
oct432161150
9164181003
1073982568
1138841220
1220939ba0
131243448a
149b7b812
156765b63
hex468e268

73982568 has 64 divisors (see below), whose sum is σ = 204664320. Its totient is φ = 22097600.

The previous prime is 73982549. The next prime is 73982627. The reversal of 73982568 is 86528937.

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 15 ways as a sum of consecutive naturals, for example, 16771 + ... + 20717.

It is an arithmetic number, because the mean of its divisors is an integer number (3197880).

Almost surely, 273982568 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 73982568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102332160).

73982568 is an abundant number, since it is smaller than the sum of its proper divisors (130681752).

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

73982568 is a wasteful number, since it uses less digits than its factorization.

73982568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038 (or 4034 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 73982568 is about 8601.3119929462. The cubic root of 73982568 is about 419.8006763950.

The spelling of 73982568 in words is "seventy-three million, nine hundred eighty-two thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 71 88 132 142 213 264 284 426 568 781 852 1562 1704 2343 3124 3947 4686 6248 7894 9372 11841 15788 18744 23682 31576 43417 47364 86834 94728 130251 173668 260502 280237 347336 521004 560474 840711 1042008 1120948 1681422 2241896 3082607 3362844 6165214 6725688 9247821 12330428 18495642 24660856 36991284 73982568