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93123913 is a prime number
BaseRepresentation
bin1011000110011…
…11010101001001
320111020011222211
411203033111021
5142314431123
613123545121
72210353201
oct543172511
9214204884
1093123913
1148625413
122722b1a1
13163a6b0c
14c521401
15829740d
hex58cf549

93123913 has 2 divisors, whose sum is σ = 93123914. Its totient is φ = 93123912.

The previous prime is 93123887. The next prime is 93123929. The reversal of 93123913 is 31932139.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92217609 + 906304 = 9603^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 93123913 - 213 = 93115721 is a prime.

It is not a weakly prime, because it can be changed into another prime (93123713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46561956 + 46561957.

It is an arithmetic number, because the mean of its divisors is an integer number (46561957).

Almost surely, 293123913 is an apocalyptic number.

It is an amenable number.

93123913 is a deficient number, since it is larger than the sum of its proper divisors (1).

93123913 is an equidigital number, since it uses as much as digits as its factorization.

93123913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 31.

The square root of 93123913 is about 9650.0732121575. The cubic root of 93123913 is about 453.2666214669.

It can be divided in two parts, 9312 and 3913, that added together give a square (13225 = 1152).

The spelling of 93123913 in words is "ninety-three million, one hundred twenty-three thousand, nine hundred thirteen".