Search a number
-
+
31942114 = 215971057
BaseRepresentation
bin111100111011…
…0010111100010
32020002211100021
41321312113202
531134121424
63100344054
7535334461
oct171662742
966084307
1031942114
1117037646
12a84502a
136804c79
1443569d8
152c0e4e4
hex1e765e2

31942114 has 4 divisors (see below), whose sum is σ = 47913174. Its totient is φ = 15971056.

The previous prime is 31942109. The next prime is 31942117. The reversal of 31942114 is 41124913.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41124913 = 103399271.

It can be written as a sum of positive squares in only one way, i.e., 30991489 + 950625 = 5567^2 + 975^2 .

It is not an unprimeable number, because it can be changed into a prime (31942117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7985527 + ... + 7985530.

Almost surely, 231942114 is an apocalyptic number.

31942114 is a deficient number, since it is larger than the sum of its proper divisors (15971060).

31942114 is a wasteful number, since it uses less digits than its factorization.

31942114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15971059.

The product of its digits is 864, while the sum is 25.

The square root of 31942114 is about 5651.7354856716. The cubic root of 31942114 is about 317.2886608941.

The spelling of 31942114 in words is "thirty-one million, nine hundred forty-two thousand, one hundred fourteen".

Divisors: 1 2 15971057 31942114