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23907029 is a prime number
BaseRepresentation
bin101101100110…
…0101011010101
31122222121021112
41123030223111
522110011104
62212224405
7410130536
oct133145325
948877245
1023907029
1112549783
12800b105
134c50893
14326468d
15217386e
hex16ccad5

23907029 has 2 divisors, whose sum is σ = 23907030. Its totient is φ = 23907028.

The previous prime is 23907001. The next prime is 23907053. The reversal of 23907029 is 92070932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22344529 + 1562500 = 4727^2 + 1250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23907029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23906986 and 23907004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23907089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11953514 + 11953515.

It is an arithmetic number, because the mean of its divisors is an integer number (11953515).

Almost surely, 223907029 is an apocalyptic number.

It is an amenable number.

23907029 is a deficient number, since it is larger than the sum of its proper divisors (1).

23907029 is an equidigital number, since it uses as much as digits as its factorization.

23907029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 23907029 is about 4889.4814653499. The cubic root of 23907029 is about 288.0769671154.

The spelling of 23907029 in words is "twenty-three million, nine hundred seven thousand, twenty-nine".