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93681379 = 118516489
BaseRepresentation
bin1011001010101…
…11011011100011
320112021111200201
411211113123203
5142440301004
613143530031
72215164361
oct545273343
9215244621
1093681379
1148976230
1227459917
131654078c
14c628631
1583576a4
hex59576e3

93681379 has 4 divisors (see below), whose sum is σ = 102197880. Its totient is φ = 85164880.

The previous prime is 93681361. The next prime is 93681431. The reversal of 93681379 is 97318639.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 93681379 - 25 = 93681347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93681319) 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, 4258234 + ... + 4258255.

It is an arithmetic number, because the mean of its divisors is an integer number (25549470).

Almost surely, 293681379 is an apocalyptic number.

93681379 is a deficient number, since it is larger than the sum of its proper divisors (8516501).

93681379 is a wasteful number, since it uses less digits than its factorization.

93681379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516500.

The product of its digits is 244944, while the sum is 46.

The square root of 93681379 is about 9678.9141436424. The cubic root of 93681379 is about 454.1692832589.

It can be divided in two parts, 93 and 681379, that added together give a cube (681472 = 883).

The spelling of 93681379 in words is "ninety-three million, six hundred eighty-one thousand, three hundred seventy-nine".

Divisors: 1 11 8516489 93681379