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72750283 is a prime number
BaseRepresentation
bin1000101011000…
…01010011001011
312001220002121221
410111201103023
5122111002113
611115142511
71542236644
oct425412313
9161802557
1072750283
113807a401
1220444a37
13120c2608
14993a6cb
1565c098d
hex45614cb

72750283 has 2 divisors, whose sum is σ = 72750284. Its totient is φ = 72750282.

The previous prime is 72750269. The next prime is 72750317. The reversal of 72750283 is 38205727.

It is an a-pointer prime, because the next prime (72750317) can be obtained adding 72750283 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72750283 - 29 = 72749771 is a prime.

It is not a weakly prime, because it can be changed into another prime (72750203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36375141 + 36375142.

It is an arithmetic number, because the mean of its divisors is an integer number (36375142).

Almost surely, 272750283 is an apocalyptic number.

72750283 is a deficient number, since it is larger than the sum of its proper divisors (1).

72750283 is an equidigital number, since it uses as much as digits as its factorization.

72750283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 72750283 is about 8529.3776443537. The cubic root of 72750283 is about 417.4568217624.

The spelling of 72750283 in words is "seventy-two million, seven hundred fifty thousand, two hundred eighty-three".