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13144099 = 79379439
BaseRepresentation
bin110010001001…
…000000100011
3220201210022111
4302021000203
511331102344
61145420151
7216502663
oct62110043
926653274
1013144099
1174683a1
12449a657
132952997
141a621a3
151249834
hexc89023

13144099 has 8 divisors (see below), whose sum is σ = 13376000. Its totient is φ = 12913992.

The previous prime is 13144091. The next prime is 13144123. The reversal of 13144099 is 99044131.

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 13144099 - 23 = 13144091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13144099.

It is not an unprimeable number, because it can be changed into a prime (13144091) 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, 29722 + ... + 30160.

It is an arithmetic number, because the mean of its divisors is an integer number (1672000).

Almost surely, 213144099 is an apocalyptic number.

13144099 is a deficient number, since it is larger than the sum of its proper divisors (231901).

13144099 is an equidigital number, since it uses as much as digits as its factorization.

13144099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13144099 is about 3625.4791407482. The cubic root of 13144099 is about 235.9990603716. Note that the first 3 decimals are identical.

The spelling of 13144099 in words is "thirteen million, one hundred forty-four thousand, ninety-nine".

Divisors: 1 79 379 439 29941 34681 166381 13144099