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72345027 = 3193734303
BaseRepresentation
bin1000100111111…
…10010111000011
312001010111201110
410103332113003
5122010020102
611102334403
71535631306
oct423762703
9161114643
1072345027
1137922987
122028a403
1311cb0011
149872b3d
15654086c
hex44fe5c3

72345027 has 16 divisors (see below), whose sum is σ = 104284160. Its totient is φ = 44455392.

The previous prime is 72345023. The next prime is 72345029. The reversal of 72345027 is 72054327.

It is not a de Polignac number, because 72345027 - 22 = 72345023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72344985 and 72345003.

It is not an unprimeable number, because it can be changed into a prime (72345023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15043 + ... + 19260.

It is an arithmetic number, because the mean of its divisors is an integer number (6517760).

Almost surely, 272345027 is an apocalyptic number.

72345027 is a deficient number, since it is larger than the sum of its proper divisors (31939133).

72345027 is a wasteful number, since it uses less digits than its factorization.

72345027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34362.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 72345027 is about 8505.5879867297. The cubic root of 72345027 is about 416.6802291763.

The spelling of 72345027 in words is "seventy-two million, three hundred forty-five thousand, twenty-seven".

Divisors: 1 3 19 37 57 111 703 2109 34303 102909 651757 1269211 1955271 3807633 24115009 72345027