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72568963 = 493714699
BaseRepresentation
bin1000101001101…
…01000010000011
312001112212220101
410110311002003
5122034201323
611111223231
71540553215
oct424650203
9161485811
1072568963
1137a66155
1220377b17
131205ac1c
1498d05b5
156586dad
hex4535083

72568963 has 4 divisors (see below), whose sum is σ = 72588600. Its totient is φ = 72549328.

The previous prime is 72568957. The next prime is 72569009. The reversal of 72568963 is 36986527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72568963 - 25 = 72568931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72568663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413 + ... + 12286.

It is an arithmetic number, because the mean of its divisors is an integer number (18147150).

Almost surely, 272568963 is an apocalyptic number.

72568963 is a deficient number, since it is larger than the sum of its proper divisors (19637).

72568963 is a wasteful number, since it uses less digits than its factorization.

72568963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19636.

The product of its digits is 544320, while the sum is 46.

The square root of 72568963 is about 8518.7418672008. The cubic root of 72568963 is about 417.1097154694.

The spelling of 72568963 in words is "seventy-two million, five hundred sixty-eight thousand, nine hundred sixty-three".

Divisors: 1 4937 14699 72568963