Search a number
-
+
231316950 = 23526612333
BaseRepresentation
bin11011100100110…
…01110111010110
3121010021010012110
431302121313112
5433204120300
634541531450
75506106304
oct1562316726
9533233173
10231316950
11109632937
1265573b86
1338c00847
1422a15274
1515493550
hexdc99dd6

231316950 has 48 divisors (see below), whose sum is σ = 574780176. Its totient is φ = 61564800.

The previous prime is 231316931. The next prime is 231316951. The reversal of 231316950 is 59613132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231316951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97984 + ... + 100316.

It is an arithmetic number, because the mean of its divisors is an integer number (11974587).

Almost surely, 2231316950 is an apocalyptic number.

231316950 is an abundant number, since it is smaller than the sum of its proper divisors (343463226).

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

231316950 is a wasteful number, since it uses less digits than its factorization.

231316950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 231316950 is about 15209.1074688819. The cubic root of 231316950 is about 613.8597418950.

The spelling of 231316950 in words is "two hundred thirty-one million, three hundred sixteen thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 661 1322 1983 2333 3305 3966 4666 6610 6999 9915 11665 13998 16525 19830 23330 33050 34995 49575 58325 69990 99150 116650 174975 349950 1542113 3084226 4626339 7710565 9252678 15421130 23131695 38552825 46263390 77105650 115658475 231316950