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72050023 is a prime number
BaseRepresentation
bin1000100101101…
…10010101100111
312000120112001101
410102312111213
5121421100043
611052140531
71533262243
oct422662547
9160515041
1072050023
1137741281
1220167747
1311c08966
1497d7423
1564d324d
hex44b6567

72050023 has 2 divisors, whose sum is σ = 72050024. Its totient is φ = 72050022.

The previous prime is 72050009. The next prime is 72050057. The reversal of 72050023 is 32005027.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32005027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72050023 - 213 = 72041831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72050423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36025011 + 36025012.

It is an arithmetic number, because the mean of its divisors is an integer number (36025012).

Almost surely, 272050023 is an apocalyptic number.

72050023 is a deficient number, since it is larger than the sum of its proper divisors (1).

72050023 is an equidigital number, since it uses as much as digits as its factorization.

72050023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 72050023 is about 8488.2284959820. The cubic root of 72050023 is about 416.1130867818.

The spelling of 72050023 in words is "seventy-two million, fifty thousand, twenty-three".