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93144189 = 331199833
BaseRepresentation
bin1011000110101…
…00010001111101
320111021012210210
411203110101331
5142321103224
613124223033
72210466255
oct543242175
9214235723
1093144189
1148639676
122723aa79
13163b3108
14c528965
15829d429
hex58d447d

93144189 has 8 divisors (see below), whose sum is σ = 124592832. Its totient is φ = 61895840.

The previous prime is 93144187. The next prime is 93144197. The reversal of 93144189 is 98144139.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 93144189 - 21 = 93144187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93144187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48984 + ... + 50849.

It is an arithmetic number, because the mean of its divisors is an integer number (15574104).

Almost surely, 293144189 is an apocalyptic number.

It is an amenable number.

93144189 is a deficient number, since it is larger than the sum of its proper divisors (31448643).

93144189 is a wasteful number, since it uses less digits than its factorization.

93144189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100147.

The product of its digits is 31104, while the sum is 39.

The square root of 93144189 is about 9651.1237169565. The cubic root of 93144189 is about 453.2995158717.

The spelling of 93144189 in words is "ninety-three million, one hundred forty-four thousand, one hundred eighty-nine".

Divisors: 1 3 311 933 99833 299499 31048063 93144189