Search a number
-
+
31293714 = 235215619
BaseRepresentation
bin111011101100…
…0000100010010
32011212212220110
41313120010102
531002344324
63034422150
7526664214
oct167300422
964785813
1031293714
1116734481
12a591956
136638aba
1442285b4
152b32329
hex1dd8112

31293714 has 8 divisors (see below), whose sum is σ = 62587440. Its totient is φ = 10431236.

The previous prime is 31293709. The next prime is 31293727. The reversal of 31293714 is 41739213.

It is a sphenic number, since it is the product of 3 distinct primes.

31293714 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2607804 + ... + 2607815.

It is an arithmetic number, because the mean of its divisors is an integer number (7823430).

Almost surely, 231293714 is an apocalyptic number.

31293714 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31293714 is a wasteful number, since it uses less digits than its factorization.

31293714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215624.

The product of its digits is 4536, while the sum is 30.

The square root of 31293714 is about 5594.0784763891. The cubic root of 31293714 is about 315.1270638808.

The spelling of 31293714 in words is "thirty-one million, two hundred ninety-three thousand, seven hundred fourteen".

Divisors: 1 2 3 6 5215619 10431238 15646857 31293714