Search a number
-
+
13649034 = 237324977
BaseRepresentation
bin110100000100…
…010010001010
3221200102221210
4310010102022
511443232114
61204313550
7224005050
oct64042212
927612853
1013649034
1177827a3
1246a28b6
132a9b769
141b541d0
1512e9259
hexd0448a

13649034 has 16 divisors (see below), whose sum is σ = 31197888. Its totient is φ = 3899712.

The previous prime is 13649033. The next prime is 13649047. The reversal of 13649034 is 43094631.

It is a super-2 number, since 2×136490342 = 372592258266312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13648992 and 13649010.

It is not an unprimeable number, because it can be changed into a prime (13649033) 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, 162447 + ... + 162530.

It is an arithmetic number, because the mean of its divisors is an integer number (1949868).

Almost surely, 213649034 is an apocalyptic number.

13649034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13649034 is an abundant number, since it is smaller than the sum of its proper divisors (17548854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13649034 is a wasteful number, since it uses less digits than its factorization.

13649034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324989.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 13649034 is about 3694.4599064004. The cubic root of 13649034 is about 238.9831632076.

The spelling of 13649034 in words is "thirteen million, six hundred forty-nine thousand, thirty-four".

Divisors: 1 2 3 6 7 14 21 42 324977 649954 974931 1949862 2274839 4549678 6824517 13649034