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13030869 = 39074789
BaseRepresentation
bin110001101101…
…010111010101
3220112000222210
4301231113111
511313441434
61143144033
7215521605
oct61552725
926460883
1013030869
1173a0315
124445019
132913297
141a32c05
151225ee9
hexc6d5d5

13030869 has 8 divisors (see below), whose sum is σ = 17397280. Its totient is φ = 8675856.

The previous prime is 13030793. The next prime is 13030877. The reversal of 13030869 is 96803031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13030869 - 216 = 12965333 is a prime.

It is a super-2 number, since 2×130308692 = 339607093790322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030769) 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, 327 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (2174660).

Almost surely, 213030869 is an apocalyptic number.

It is an amenable number.

13030869 is a deficient number, since it is larger than the sum of its proper divisors (4366411).

13030869 is an equidigital number, since it uses as much as digits as its factorization.

13030869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5699.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13030869 is about 3609.8294973586. The cubic root of 13030869 is about 235.3194328118.

The spelling of 13030869 in words is "thirteen million, thirty thousand, eight hundred sixty-nine".

Divisors: 1 3 907 2721 4789 14367 4343623 13030869