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13030874 = 217383261
BaseRepresentation
bin110001101101…
…010111011010
3220112000222222
4301231113122
511313441444
61143144042
7215521613
oct61552732
926460888
1013030874
1173a031a
124445022
13291329c
141a32c0a
151225eee
hexc6d5da

13030874 has 8 divisors (see below), whose sum is σ = 20696148. Its totient is φ = 6132160.

The previous prime is 13030793. The next prime is 13030877. The reversal of 13030874 is 47803031.

It can be written as a sum of positive squares in 2 ways, for example, as 9765625 + 3265249 = 3125^2 + 1807^2 .

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13030877) 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, 191597 + ... + 191664.

Almost surely, 213030874 is an apocalyptic number.

13030874 is a deficient number, since it is larger than the sum of its proper divisors (7665274).

13030874 is a wasteful number, since it uses less digits than its factorization.

13030874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383280.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 13030874 is about 3609.8301899120. The cubic root of 13030874 is about 235.3194629095.

The spelling of 13030874 in words is "thirteen million, thirty thousand, eight hundred seventy-four".

Divisors: 1 2 17 34 383261 766522 6515437 13030874