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72324933 = 324108311
BaseRepresentation
bin1000100111110…
…01011101000101
312001002111011020
410103321131011
5122003344213
611102101353
71535515602
oct423713505
9161074136
1072324933
113790987a
122027a859
1311ca3b25
1498696a9
156539923
hex44f9745

72324933 has 4 divisors (see below), whose sum is σ = 96433248. Its totient is φ = 48216620.

The previous prime is 72324911. The next prime is 72324937. The reversal of 72324933 is 33942327.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33942327 = 311314109.

It is a cyclic number.

It is not a de Polignac number, because 72324933 - 214 = 72308549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72324894 and 72324903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72324937) 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, 12054153 + ... + 12054158.

It is an arithmetic number, because the mean of its divisors is an integer number (24108312).

Almost surely, 272324933 is an apocalyptic number.

It is an amenable number.

72324933 is a deficient number, since it is larger than the sum of its proper divisors (24108315).

72324933 is a wasteful number, since it uses less digits than its factorization.

72324933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24108314.

The product of its digits is 27216, while the sum is 33.

The square root of 72324933 is about 8504.4066812447. The cubic root of 72324933 is about 416.6416476355.

The spelling of 72324933 in words is "seventy-two million, three hundred twenty-four thousand, nine hundred thirty-three".

Divisors: 1 3 24108311 72324933