Search a number
-
+
13889322 = 232771629
BaseRepresentation
bin110100111110…
…111100101010
3222010122120100
4310332330222
512023424242
61213410230
7226025436
oct64767452
928118510
1013889322
117927287
124799976
132b53c45
141bb79c6
15134554c
hexd3ef2a

13889322 has 12 divisors (see below), whose sum is σ = 30093570. Its totient is φ = 4629768.

The previous prime is 13889321. The next prime is 13889327. The reversal of 13889322 is 22398831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7733961 + 6155361 = 2781^2 + 2481^2 .

It is not an unprimeable number, because it can be changed into a prime (13889321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385797 + ... + 385832.

Almost surely, 213889322 is an apocalyptic number.

13889322 is an abundant number, since it is smaller than the sum of its proper divisors (16204248).

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

13889322 is a wasteful number, since it uses less digits than its factorization.

13889322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771637 (or 771634 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 13889322 is about 3726.8380699998. The cubic root of 13889322 is about 240.3774269759.

The spelling of 13889322 in words is "thirteen million, eight hundred eighty-nine thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 771629 1543258 2314887 4629774 6944661 13889322