Search a number
-
+
231183064 = 2376016869
BaseRepresentation
bin11011100011110…
…01001011011000
3121010000022112201
431301321023120
5433140324224
634535015544
75505011050
oct1561711330
9533008481
10231183064
11109551292
126550a5b4
1338b84918
14229bc560
1515468a44
hexdc792d8

231183064 has 32 divisors (see below), whose sum is σ = 496288800. Its totient is φ = 98899200.

The previous prime is 231183059. The next prime is 231183077. The reversal of 231183064 is 460381132.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30222 + ... + 37090.

It is an arithmetic number, because the mean of its divisors is an integer number (15509025).

Almost surely, 2231183064 is an apocalyptic number.

It is an amenable number.

231183064 is an abundant number, since it is smaller than the sum of its proper divisors (265105736).

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

231183064 is a wasteful number, since it uses less digits than its factorization.

231183064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7483 (or 7479 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 231183064 is about 15204.7053243396. The cubic root of 231183064 is about 613.7412852534.

The spelling of 231183064 in words is "two hundred thirty-one million, one hundred eighty-three thousand, sixty-four".

Divisors: 1 2 4 7 8 14 28 56 601 1202 2404 4207 4808 6869 8414 13738 16828 27476 33656 48083 54952 96166 192332 384664 4128269 8256538 16513076 28897883 33026152 57795766 115591532 231183064