Search a number
-
+
13203204 = 2237157181
BaseRepresentation
bin110010010111…
…011100000100
3220211210101120
4302113130010
511340000304
61150553540
7220140210
oct62273404
926753346
1013203204
1174a8843
1245088b0
132973861
141a79940
15125c0d9
hexc97704

13203204 has 24 divisors (see below), whose sum is σ = 35208768. Its totient is φ = 3772320.

The previous prime is 13203181. The next prime is 13203209. The reversal of 13203204 is 40230231.

It is not an unprimeable number, because it can be changed into a prime (13203209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78507 + ... + 78674.

It is an arithmetic number, because the mean of its divisors is an integer number (1467032).

Almost surely, 213203204 is an apocalyptic number.

13203204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13203204 is an abundant number, since it is smaller than the sum of its proper divisors (22005564).

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

13203204 is a wasteful number, since it uses less digits than its factorization.

13203204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157195 (or 157193 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13203204 is about 3633.6213341514. The cubic root of 13203204 is about 236.3522700469.

Adding to 13203204 its reverse (40230231), we get a palindrome (53433435).

The spelling of 13203204 in words is "thirteen million, two hundred three thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 157181 314362 471543 628724 943086 1100267 1886172 2200534 3300801 4401068 6601602 13203204