Search a number
-
+
13817434 = 2231392161
BaseRepresentation
bin110100101101…
…011001011010
3221222222221211
4310231121122
512014124214
61212053334
7225306031
oct64553132
927888854
1013817434
117888274
12476424a
132b2a2c7
141b99718
15132e0c4
hexd2d65a

13817434 has 16 divisors (see below), whose sum is σ = 21792960. Its totient is φ = 6557760.

The previous prime is 13817431. The next prime is 13817437. The reversal of 13817434 is 43471831.

It is an interprime number because it is at equal distance from previous prime (13817431) and next prime (13817437).

It is a junction number, because it is equal to n+sod(n) for n = 13817396 and 13817405.

It is not an unprimeable number, because it can be changed into a prime (13817431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5314 + ... + 7474.

It is an arithmetic number, because the mean of its divisors is an integer number (1362060).

Almost surely, 213817434 is an apocalyptic number.

13817434 is a deficient number, since it is larger than the sum of its proper divisors (7975526).

13817434 is a wasteful number, since it uses less digits than its factorization.

13817434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325.

The product of its digits is 8064, while the sum is 31.

The square root of 13817434 is about 3717.1809210745. The cubic root of 13817434 is about 239.9619962973.

The spelling of 13817434 in words is "thirteen million, eight hundred seventeen thousand, four hundred thirty-four".

Divisors: 1 2 23 46 139 278 2161 3197 4322 6394 49703 99406 300379 600758 6908717 13817434