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14990013 = 322979727
BaseRepresentation
bin111001001011…
…101010111101
31001012120102200
4321023222331
512314140023
61253142113
7241261443
oct71135275
931176380
1014990013
118509245
12502a939
13314ac3c
141dc2b93
1514b1743
hexe4babd

14990013 has 24 divisors (see below), whose sum is σ = 22713600. Its totient is φ = 9513504.

The previous prime is 14990011. The next prime is 14990023. The reversal of 14990013 is 31009941.

It is not a de Polignac number, because 14990013 - 21 = 14990011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14990011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20256 + ... + 20982.

It is an arithmetic number, because the mean of its divisors is an integer number (946400).

Almost surely, 214990013 is an apocalyptic number.

It is an amenable number.

14990013 is a deficient number, since it is larger than the sum of its proper divisors (7723587).

14990013 is a wasteful number, since it uses less digits than its factorization.

14990013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 14990013 is about 3871.6938153733. The cubic root of 14990013 is about 246.5664618147.

Adding to 14990013 its reverse (31009941), we get a palindrome (45999954).

The spelling of 14990013 in words is "fourteen million, nine hundred ninety thousand, thirteen".

Divisors: 1 3 9 29 79 87 237 261 711 727 2181 2291 6543 6873 20619 21083 57433 63249 172299 189747 516897 1665557 4996671 14990013