Search a number
-
+
13140302 = 271019293
BaseRepresentation
bin110010001000…
…000101001110
3220201121002212
4302020011032
511330442202
61145350422
7216455630
oct62100516
926647085
1013140302
11746555a
124498412
132951036
141a60a50
151248652
hexc8814e

13140302 has 16 divisors (see below), whose sum is σ = 22751712. Its totient is φ = 5575200.

The previous prime is 13140293. The next prime is 13140313. The reversal of 13140302 is 20304131.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3233 + ... + 6060.

It is an arithmetic number, because the mean of its divisors is an integer number (1421982).

Almost surely, 213140302 is an apocalyptic number.

13140302 is a deficient number, since it is larger than the sum of its proper divisors (9611410).

13140302 is a wasteful number, since it uses less digits than its factorization.

13140302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9403.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13140302 is about 3624.9554480021. The cubic root of 13140302 is about 235.9763334498.

Adding to 13140302 its reverse (20304131), we get a palindrome (33444433).

The spelling of 13140302 in words is "thirteen million, one hundred forty thousand, three hundred two".

Divisors: 1 2 7 14 101 202 707 1414 9293 18586 65051 130102 938593 1877186 6570151 13140302