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BaseRepresentation
bin101101111001001
31012020021
411233021
51222442
6300441
7125335
oct55711
935207
1023497
1116721
1211721
13a906
1487c5
156e67
hex5bc9

23497 has 2 divisors, whose sum is σ = 23498. Its totient is φ = 23496.

The previous prime is 23473. The next prime is 23509. The reversal of 23497 is 79432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22201 + 1296 = 149^2 + 36^2 .

It is a cyclic number.

It is not a de Polignac number, because 23497 - 27 = 23369 is a prime.

It is a d-powerful number, because it can be written as 27 + 38 + 47 + 92 + 73 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23417) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11748 + 11749.

It is an arithmetic number, because the mean of its divisors is an integer number (11749).

223497 is an apocalyptic number.

23497 is the 89-th hex number.

It is an amenable number.

23497 is a deficient number, since it is larger than the sum of its proper divisors (1).

23497 is an equidigital number, since it uses as much as digits as its factorization.

23497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 23497 is about 153.2873119342. The cubic root of 23497 is about 28.6420526654.

The spelling of 23497 in words is "twenty-three thousand, four hundred ninety-seven".