Search a number
-
+
13140292 = 2211734091
BaseRepresentation
bin110010001000…
…000101000100
3220201121002111
4302020011010
511330442132
61145350404
7216455614
oct62100504
926647074
1013140292
117465550
124498404
132951029
141a60a44
151248647
hexc88144

13140292 has 24 divisors (see below), whose sum is σ = 25435872. Its totient is φ = 5889600.

The previous prime is 13140289. The next prime is 13140293. The reversal of 13140292 is 29204131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13140293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (1059828).

It is a vampire number, since it can be written as 32124091 (with its own digits).

Almost surely, 213140292 is an apocalyptic number.

It is an amenable number.

13140292 is a deficient number, since it is larger than the sum of its proper divisors (12295580).

13140292 is a wasteful number, since it uses less digits than its factorization.

13140292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13140292 is about 3624.9540686745. The cubic root of 13140292 is about 235.9762735891.

The spelling of 13140292 in words is "thirteen million, one hundred forty thousand, two hundred ninety-two".

Divisors: 1 2 4 11 22 44 73 146 292 803 1606 3212 4091 8182 16364 45001 90002 180004 298643 597286 1194572 3285073 6570146 13140292