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23740697 is a prime number
BaseRepresentation
bin101101010010…
…0000100011001
31122200011010002
41122210010121
522034200242
62204502345
7405535601
oct132440431
948604102
1023740697
1112445812
127b4a9b5
134bc2c66
14321dc01
15213e432
hex16a4119

23740697 has 2 divisors, whose sum is σ = 23740698. Its totient is φ = 23740696.

The previous prime is 23740679. The next prime is 23740723. The reversal of 23740697 is 79604732.

Together with previous prime (23740679) 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., 12645136 + 11095561 = 3556^2 + 3331^2 .

It is a cyclic number.

It is not a de Polignac number, because 23740697 - 216 = 23675161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23740697.

It is not a weakly prime, because it can be changed into another prime (23740657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11870348 + 11870349.

It is an arithmetic number, because the mean of its divisors is an integer number (11870349).

Almost surely, 223740697 is an apocalyptic number.

It is an amenable number.

23740697 is a deficient number, since it is larger than the sum of its proper divisors (1).

23740697 is an equidigital number, since it uses as much as digits as its factorization.

23740697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 23740697 is about 4872.4426112577. The cubic root of 23740697 is about 287.4073178251.

The spelling of 23740697 in words is "twenty-three million, seven hundred forty thousand, six hundred ninety-seven".