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23045497 is a prime number
BaseRepresentation
bin101011111101…
…0010101111001
31121100211110221
41113322111321
521344423442
62141540041
7366612016
oct127722571
947324427
1023045497
1112010472
127874621
134a0b6b7
1430bc70d
152053467
hex15fa579

23045497 has 2 divisors, whose sum is σ = 23045498. Its totient is φ = 23045496.

The previous prime is 23045479. The next prime is 23045573. The reversal of 23045497 is 79454032.

Together with previous prime (23045479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20169081 + 2876416 = 4491^2 + 1696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23045497 is a prime.

It is not a weakly prime, because it can be changed into another prime (23045437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522748 + 11522749.

It is an arithmetic number, because the mean of its divisors is an integer number (11522749).

Almost surely, 223045497 is an apocalyptic number.

It is an amenable number.

23045497 is a deficient number, since it is larger than the sum of its proper divisors (1).

23045497 is an equidigital number, since it uses as much as digits as its factorization.

23045497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 23045497 is about 4800.5725700170. The cubic root of 23045497 is about 284.5740924700.

The spelling of 23045497 in words is "twenty-three million, forty-five thousand, four hundred ninety-seven".