Search a number
13420332 = 22321133299
BaseRepresentation
bin110011001100…
…011100101100
3221020211020100
4303030130230
511413422312
61155351100
7222033222
oct63143454
927224210
1013420332
117636992
1245b2490
132a1b633
1512a15dc
hexccc72c

13420332 has 36 divisors (see below), whose sum is σ = 34234200. Its totient is φ = 4432512.

The previous prime is 13420331. The next prime is 13420387. The reversal of 13420332 is 23302431.

13420332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13420331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2419 + ... + 5717.

It is an arithmetic number, because the mean of its divisors is an integer number (950950).

Almost surely, 213420332 is an apocalyptic number.

13420332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13420332 is an abundant number, since it is smaller than the sum of its proper divisors (20813868).

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

13420332 is a wasteful number, since it uses less digits than its factorization.

13420332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422 (or 3417 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13420332 is about 3663.3771304631. The cubic root of 13420332 is about 237.6408442520.

Adding to 13420332 its reverse (23302431), we get a palindrome (36722763).

The spelling of 13420332 in words is "thirteen million, four hundred twenty thousand, three hundred thirty-two".