Search a number
-
+
31088342 = 217914363
BaseRepresentation
bin111011010010…
…1111011010110
32011111110012002
41312211323112
530424311332
63030155302
7525150365
oct166457326
964443162
1031088342
111660414a
12a4b2b32
13659648c
1441b37dc
152ae1562
hex1da5ed6

31088342 has 8 divisors (see below), whose sum is σ = 49375656. Its totient is φ = 14629792.

The previous prime is 31088303. The next prime is 31088347. The reversal of 31088342 is 24388013.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31088347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457148 + ... + 457215.

It is an arithmetic number, because the mean of its divisors is an integer number (6171957).

Almost surely, 231088342 is an apocalyptic number.

31088342 is a deficient number, since it is larger than the sum of its proper divisors (18287314).

31088342 is a wasteful number, since it uses less digits than its factorization.

31088342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914382.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 31088342 is about 5575.6920646678. The cubic root of 31088342 is about 314.4361863681.

The spelling of 31088342 in words is "thirty-one million, eighty-eight thousand, three hundred forty-two".

Divisors: 1 2 17 34 914363 1828726 15544171 31088342