Search a number
-
+
31088230 = 253108823
BaseRepresentation
bin111011010010…
…1111001100110
32011111110000221
41312211321212
530424310410
63030154554
7525150145
oct166457146
964443027
1031088230
1116604058
12a4b2a5a
136596404
1441b375c
152ae14da
hex1da5e66

31088230 has 8 divisors (see below), whose sum is σ = 55958832. Its totient is φ = 12435288.

The previous prime is 31088191. The next prime is 31088243. The reversal of 31088230 is 3288013.

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

It is a junction number, because it is equal to n+sod(n) for n = 31088195 and 31088204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554402 + ... + 1554421.

It is an arithmetic number, because the mean of its divisors is an integer number (6994854).

Almost surely, 231088230 is an apocalyptic number.

31088230 is a deficient number, since it is larger than the sum of its proper divisors (24870602).

31088230 is a wasteful number, since it uses less digits than its factorization.

31088230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108830.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 31088230 is about 5575.6820210625. The cubic root of 31088230 is about 314.4358087679.

The spelling of 31088230 in words is "thirty-one million, eighty-eight thousand, two hundred thirty".

Divisors: 1 2 5 10 3108823 6217646 15544115 31088230