Search a number
-
+
13942422 = 2331319861
BaseRepresentation
bin110101001011…
…111010010110
3222020100102000
4311023322112
512032124142
61214500130
7226336314
oct65137226
928210360
1013942422
11796316a
124804646
132b72170
141bcd0b4
15135614c
hexd4be96

13942422 has 32 divisors (see below), whose sum is σ = 33368160. Its totient is φ = 4289760.

The previous prime is 13942403. The next prime is 13942433. The reversal of 13942422 is 22424931.

It is a super-2 number, since 2×139424222 = 388782262452168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9229 + ... + 10632.

It is an arithmetic number, because the mean of its divisors is an integer number (1042755).

Almost surely, 213942422 is an apocalyptic number.

13942422 is an abundant number, since it is smaller than the sum of its proper divisors (19425738).

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

13942422 is a wasteful number, since it uses less digits than its factorization.

13942422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19885 (or 19879 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13942422 is about 3733.9552755758. The cubic root of 13942422 is about 240.6833648718.

The spelling of 13942422 in words is "thirteen million, nine hundred forty-two thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 19861 39722 59583 119166 178749 258193 357498 516386 536247 774579 1072494 1549158 2323737 4647474 6971211 13942422