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14979993 = 373591987
BaseRepresentation
bin111001001001…
…001110011001
31001012001200120
4321021032121
512313324433
61253023453
7241220310
oct71111631
931161616
1014979993
118501766
125024b89
133146502
141dbd277
1514ad7b3
hexe49399

14979993 has 16 divisors (see below), whose sum is σ = 22901760. Its totient is φ = 8531856.

The previous prime is 14979989. The next prime is 14980019. The reversal of 14979993 is 39997941.

14979993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14979993 - 22 = 14979989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14979593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6546 + ... + 8532.

It is an arithmetic number, because the mean of its divisors is an integer number (1431360).

Almost surely, 214979993 is an apocalyptic number.

It is an amenable number.

14979993 is a deficient number, since it is larger than the sum of its proper divisors (7921767).

14979993 is a wasteful number, since it uses less digits than its factorization.

14979993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356.

The product of its digits is 551124, while the sum is 51.

The square root of 14979993 is about 3870.3995917734. The cubic root of 14979993 is about 246.5115108587.

The spelling of 14979993 in words is "fourteen million, nine hundred seventy-nine thousand, nine hundred ninety-three".

Divisors: 1 3 7 21 359 1077 1987 2513 5961 7539 13909 41727 713333 2139999 4993331 14979993