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72514023 = 324171341
BaseRepresentation
bin1000101001001…
…11100111100111
312001110002112120
410110213213213
5122030422043
611110121023
71540234101
oct424474747
9161402476
1072514023
1137a2894a
1220350173
131203bc0a
1498b8571
156575983
hex45279e7

72514023 has 4 divisors (see below), whose sum is σ = 96685368. Its totient is φ = 48342680.

The previous prime is 72514019. The next prime is 72514031. The reversal of 72514023 is 32041527.

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 72514023 - 22 = 72514019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72513984 and 72514002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72514003) 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, 12085668 + ... + 12085673.

It is an arithmetic number, because the mean of its divisors is an integer number (24171342).

Almost surely, 272514023 is an apocalyptic number.

72514023 is a deficient number, since it is larger than the sum of its proper divisors (24171345).

72514023 is a wasteful number, since it uses less digits than its factorization.

72514023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24171344.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 72514023 is about 8515.5166020624. The cubic root of 72514023 is about 417.0044280652.

The spelling of 72514023 in words is "seventy-two million, five hundred fourteen thousand, twenty-three".

Divisors: 1 3 24171341 72514023