Search a number
-
+
13807146 = 237929129
BaseRepresentation
bin110100101010…
…111000101010
3221222110211210
4310222320222
512013312041
61211533550
7225234033
oct64527052
927873753
1013807146
117880571
12475a2b6
132b25712
141b95a8a
15132b016
hexd2ae2a

13807146 has 16 divisors (see below), whose sum is σ = 27964800. Its totient is φ = 4543968.

The previous prime is 13807141. The next prime is 13807151. The reversal of 13807146 is 64170831.

It is a happy number.

13807146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13807141) and next prime (13807151).

It is not an unprimeable number, because it can be changed into a prime (13807141) 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, 14091 + ... + 15038.

It is an arithmetic number, because the mean of its divisors is an integer number (1747800).

Almost surely, 213807146 is an apocalyptic number.

13807146 is an abundant number, since it is smaller than the sum of its proper divisors (14157654).

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

13807146 is a wasteful number, since it uses less digits than its factorization.

13807146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29213.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13807146 is about 3715.7968189878. The cubic root of 13807146 is about 239.9024256133.

Adding to 13807146 its reverse (64170831), we get a palindrome (77977977).

The spelling of 13807146 in words is "thirteen million, eight hundred seven thousand, one hundred forty-six".

Divisors: 1 2 3 6 79 158 237 474 29129 58258 87387 174774 2301191 4602382 6903573 13807146