Search a number
-
+
7137942 = 237169951
BaseRepresentation
bin11011001110101010010110
3111102122102020
4123032222112
53311403232
6412554010
7114446220
oct33165226
914378366
107137942
114035929
122482906
13162bc46
14d3b410
1595ee2c
hex6cea96

7137942 has 16 divisors (see below), whose sum is σ = 16315392. Its totient is φ = 2039400.

The previous prime is 7137913. The next prime is 7137947. The reversal of 7137942 is 2497317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7137947) 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, 84934 + ... + 85017.

It is an arithmetic number, because the mean of its divisors is an integer number (1019712).

Almost surely, 27137942 is an apocalyptic number.

7137942 is an abundant number, since it is smaller than the sum of its proper divisors (9177450).

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

7137942 is a wasteful number, since it uses less digits than its factorization.

7137942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169963.

The product of its digits is 10584, while the sum is 33.

The square root of 7137942 is about 2671.6927218526. The cubic root of 7137942 is about 192.5414944002.

The spelling of 7137942 in words is "seven million, one hundred thirty-seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 169951 339902 509853 1019706 1189657 2379314 3568971 7137942