Search a number
-
+
672132513 = 31339743411
BaseRepresentation
bin101000000011111…
…110110110100001
31201211201212110210
4220003332312201
52334031220023
6150410044333
722441014003
oct5003766641
91654655423
10672132513
11315446118
121691196a9
13a9332c60
14653a2373
153e01a593
hex280feda1

672132513 has 16 divisors (see below), whose sum is σ = 967566656. Its totient is φ = 412568640.

The previous prime is 672132499. The next prime is 672132521. The reversal of 672132513 is 315231276.

672132513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672132513 - 212 = 672128417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672132533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6223 + ... + 37188.

It is an arithmetic number, because the mean of its divisors is an integer number (60472916).

Almost surely, 2672132513 is an apocalyptic number.

It is an amenable number.

672132513 is a deficient number, since it is larger than the sum of its proper divisors (295434143).

672132513 is a wasteful number, since it uses less digits than its factorization.

672132513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43824.

The product of its digits is 7560, while the sum is 30.

The square root of 672132513 is about 25925.5185676198. The cubic root of 672132513 is about 875.9613979258.

Adding to 672132513 its reverse (315231276), we get a palindrome (987363789).

The spelling of 672132513 in words is "six hundred seventy-two million, one hundred thirty-two thousand, five hundred thirteen".

Divisors: 1 3 13 39 397 1191 5161 15483 43411 130233 564343 1693029 17234167 51702501 224044171 672132513