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13980299 = 107130657
BaseRepresentation
bin110101010101…
…001010001011
3222022021100212
4311111022023
512034332144
61215351335
7226554614
oct65251213
928267325
1013980299
117989673
12482254b
132b86488
141bdcc0b
15136249e
hexd5528b

13980299 has 4 divisors (see below), whose sum is σ = 14111064. Its totient is φ = 13849536.

The previous prime is 13980277. The next prime is 13980311. The reversal of 13980299 is 99208931.

13980299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99208931 = 963110301.

It is a cyclic number.

It is not a de Polignac number, because 13980299 - 216 = 13914763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13980269) 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, 65222 + ... + 65435.

It is an arithmetic number, because the mean of its divisors is an integer number (3527766).

Almost surely, 213980299 is an apocalyptic number.

13980299 is a deficient number, since it is larger than the sum of its proper divisors (130765).

13980299 is a wasteful number, since it uses less digits than its factorization.

13980299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130764.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 13980299 is about 3739.0238030802. The cubic root of 13980299 is about 240.9011204587.

The spelling of 13980299 in words is "thirteen million, nine hundred eighty thousand, two hundred ninety-nine".

Divisors: 1 107 130657 13980299