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23754149 is a prime number
BaseRepresentation
bin101101010011…
…1010110100101
31122200211120022
41122213112211
522040113044
62205044525
7405623036
oct132472645
948624508
1023754149
1112454931
127b56745
134bc9113
143224a8d
1521433ee
hex16a75a5

23754149 has 2 divisors, whose sum is σ = 23754150. Its totient is φ = 23754148.

The previous prime is 23754121. The next prime is 23754173. The reversal of 23754149 is 94145732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23716900 + 37249 = 4870^2 + 193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23754149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23750149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11877074 + 11877075.

It is an arithmetic number, because the mean of its divisors is an integer number (11877075).

Almost surely, 223754149 is an apocalyptic number.

It is an amenable number.

23754149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23754149 is an equidigital number, since it uses as much as digits as its factorization.

23754149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 23754149 is about 4873.8228322334. The cubic root of 23754149 is about 287.4615913403.

The spelling of 23754149 in words is "twenty-three million, seven hundred fifty-four thousand, one hundred forty-nine".