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72885151 is a prime number
BaseRepresentation
bin1000101100000…
…10001110011111
312002010221122001
410112002032133
5122124311101
611122103131
71543341103
oct426021637
9162127561
1072885151
1138161769
12204aaaa7
131213bb11
149973903
1565ea901
hex458239f

72885151 has 2 divisors, whose sum is σ = 72885152. Its totient is φ = 72885150.

The previous prime is 72885107. The next prime is 72885161. The reversal of 72885151 is 15158827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72885151 - 217 = 72754079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72885151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72885101) 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 as a sum of consecutive naturals, namely, 36442575 + 36442576.

It is an arithmetic number, because the mean of its divisors is an integer number (36442576).

Almost surely, 272885151 is an apocalyptic number.

72885151 is a deficient number, since it is larger than the sum of its proper divisors (1).

72885151 is an equidigital number, since it uses as much as digits as its factorization.

72885151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 37.

The square root of 72885151 is about 8537.2800703737. The cubic root of 72885151 is about 417.7146297442.

The spelling of 72885151 in words is "seventy-two million, eight hundred eighty-five thousand, one hundred fifty-one".