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93997901 = 106388427
BaseRepresentation
bin1011001101001…
…00101101001101
320112212120212202
411212210231031
5143030413101
613154411245
72220653234
oct546445515
9215776782
1093997901
1149072018
1227590b25
131662187a
14c6abb1b
1583bb36b
hex59a4b4d

93997901 has 4 divisors (see below), whose sum is σ = 94087392. Its totient is φ = 93908412.

The previous prime is 93997873. The next prime is 93997919. The reversal of 93997901 is 10979939.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10979939 = 61179999.

It is a cyclic number.

It is not a de Polignac number, because 93997901 - 26 = 93997837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93997931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43151 + ... + 45276.

It is an arithmetic number, because the mean of its divisors is an integer number (23521848).

Almost surely, 293997901 is an apocalyptic number.

It is an amenable number.

93997901 is a deficient number, since it is larger than the sum of its proper divisors (89491).

93997901 is a wasteful number, since it uses less digits than its factorization.

93997901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89490.

The product of its (nonzero) digits is 137781, while the sum is 47.

The square root of 93997901 is about 9695.2514665686. The cubic root of 93997901 is about 454.6802100231.

The spelling of 93997901 in words is "ninety-three million, nine hundred ninety-seven thousand, nine hundred one".

Divisors: 1 1063 88427 93997901