Search a number
-
+
230179512 = 23373131381
BaseRepresentation
bin11011011100001…
…00001010111000
3121001010022221010
431232010022320
5432411221022
634501313520
75463331203
oct1556041270
9531108833
10230179512
11108a26302
12651058a0
13388c2bc4
14227da93a
151531b50c
hexdb842b8

230179512 has 32 divisors (see below), whose sum is σ = 583336080. Its totient is φ = 75674880.

The previous prime is 230179511. The next prime is 230179517. The reversal of 230179512 is 215971032.

It is a self number, because there is not a number n which added to its sum of digits gives 230179512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230179511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63939 + ... + 67442.

Almost surely, 2230179512 is an apocalyptic number.

It is an amenable number.

230179512 is an abundant number, since it is smaller than the sum of its proper divisors (353156568).

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

230179512 is a wasteful number, since it uses less digits than its factorization.

230179512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131463 (or 131459 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 230179512 is about 15171.6680691347. The cubic root of 230179512 is about 612.8519255902.

The spelling of 230179512 in words is "two hundred thirty million, one hundred seventy-nine thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 73 146 219 292 438 584 876 1752 131381 262762 394143 525524 788286 1051048 1576572 3153144 9590813 19181626 28772439 38363252 57544878 76726504 115089756 230179512