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72882863 = 208135023
BaseRepresentation
bin1000101100000…
…01101010101111
312002010211111022
410112001222233
5122124222423
611122044355
71543331324
oct426015257
9162124438
1072882863
113815aa79
12204a96bb
131213aa71
149972b4b
1565e9dc8
hex4581aaf

72882863 has 4 divisors (see below), whose sum is σ = 72919968. Its totient is φ = 72845760.

The previous prime is 72882857. The next prime is 72882869. The reversal of 72882863 is 36828827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36828827 = 75261261.

It is an interprime number because it is at equal distance from previous prime (72882857) and next prime (72882869).

It is a cyclic number.

It is not a de Polignac number, because 72882863 - 24 = 72882847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72882869) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15431 + ... + 19592.

It is an arithmetic number, because the mean of its divisors is an integer number (18229992).

Almost surely, 272882863 is an apocalyptic number.

72882863 is a deficient number, since it is larger than the sum of its proper divisors (37105).

72882863 is a wasteful number, since it uses less digits than its factorization.

72882863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37104.

The product of its digits is 258048, while the sum is 44.

The square root of 72882863 is about 8537.1460687984. The cubic root of 72882863 is about 417.7102587529.

The spelling of 72882863 in words is "seventy-two million, eight hundred eighty-two thousand, eight hundred sixty-three".

Divisors: 1 2081 35023 72882863