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72038683 is a prime number
BaseRepresentation
bin1000100101100…
…11100100011011
312000112221111101
410102303210123
5121420214213
611052012231
71533214213
oct422634433
9160487441
1072038683
1137733802
1220161077
1311c03752
1497d3243
1564cebdd
hex44b391b

72038683 has 2 divisors, whose sum is σ = 72038684. Its totient is φ = 72038682.

The previous prime is 72038657. The next prime is 72038689. The reversal of 72038683 is 38683027.

It is a strong prime.

It is an emirp because it is prime and its reverse (38683027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72038683 - 29 = 72038171 is a prime.

It is not a weakly prime, because it can be changed into another prime (72038689) 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, 36019341 + 36019342.

It is an arithmetic number, because the mean of its divisors is an integer number (36019342).

Almost surely, 272038683 is an apocalyptic number.

72038683 is a deficient number, since it is larger than the sum of its proper divisors (1).

72038683 is an equidigital number, since it uses as much as digits as its factorization.

72038683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 72038683 is about 8487.5604857933. The cubic root of 72038683 is about 416.0912548666.

The spelling of 72038683 in words is "seventy-two million, thirty-eight thousand, six hundred eighty-three".