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13223402 = 2411311231
BaseRepresentation
bin110010011100…
…010111101010
3220212211002122
4302130113222
511341122102
61151231242
7220253123
oct62342752
926784078
1013223402
117511a35
124518522
13297caca
141a8304a
1512630a2
hexc9c5ea

13223402 has 16 divisors (see below), whose sum is σ = 20490624. Its totient is φ = 6396000.

The previous prime is 13223401. The next prime is 13223423. The reversal of 13223402 is 20432231.

It is not an unprimeable number, because it can be changed into a prime (13223401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10127 + ... + 11357.

It is an arithmetic number, because the mean of its divisors is an integer number (1280664).

Almost surely, 213223402 is an apocalyptic number.

13223402 is a deficient number, since it is larger than the sum of its proper divisors (7267222).

13223402 is a wasteful number, since it uses less digits than its factorization.

13223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13223402 is about 3636.3995930040. The cubic root of 13223402 is about 236.4727309822.

Adding to 13223402 its reverse (20432231), we get a palindrome (33655633).

The spelling of 13223402 in words is "thirteen million, two hundred twenty-three thousand, four hundred two".

Divisors: 1 2 41 82 131 262 1231 2462 5371 10742 50471 100942 161261 322522 6611701 13223402