Search a number
-
+
72560413 is a prime number
BaseRepresentation
bin1000101001100…
…10111100011101
312001112110011201
410110302330131
5122033413123
611111115501
71540516252
oct424627435
9161473151
1072560413
1137a5a792
1220372b91
1312057073
1498cb429
1565845ad
hex4532f1d

72560413 has 2 divisors, whose sum is σ = 72560414. Its totient is φ = 72560412.

The previous prime is 72560387. The next prime is 72560431. The reversal of 72560413 is 31406527.

Together with next prime (72560431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71876484 + 683929 = 8478^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 72560413 - 25 = 72560381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72560443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36280206 + 36280207.

It is an arithmetic number, because the mean of its divisors is an integer number (36280207).

Almost surely, 272560413 is an apocalyptic number.

It is an amenable number.

72560413 is a deficient number, since it is larger than the sum of its proper divisors (1).

72560413 is an equidigital number, since it uses as much as digits as its factorization.

72560413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72560413 is about 8518.2400177501. The cubic root of 72560413 is about 417.0933336813.

The spelling of 72560413 in words is "seventy-two million, five hundred sixty thousand, four hundred thirteen".