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230671230 = 23546316607
BaseRepresentation
bin11011011111111…
…00001101111110
3121002001022102220
431233330031332
5433022434410
634520030210
75500446606
oct1557741576
9532038386
10230671230
11109231789
1265302366
1338a3596a
14228c7c06
15153b7070
hexdbfc37e

230671230 has 32 divisors (see below), whose sum is σ = 554840064. Its totient is φ = 61375776.

The previous prime is 230671223. The next prime is 230671237. The reversal of 230671230 is 32176032.

It is an interprime number because it is at equal distance from previous prime (230671223) and next prime (230671237).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230671230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230671237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5587 + ... + 22193.

It is an arithmetic number, because the mean of its divisors is an integer number (17338752).

Almost surely, 2230671230 is an apocalyptic number.

230671230 is an abundant number, since it is smaller than the sum of its proper divisors (324168834).

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

230671230 is a wasteful number, since it uses less digits than its factorization.

230671230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17080.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 230671230 is about 15187.8645635257. The cubic root of 230671230 is about 613.2880142029.

It can be divided in two parts, 2306 and 71230, that added together give a triangular number (73536 = T383).

The spelling of 230671230 in words is "two hundred thirty million, six hundred seventy-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 463 926 1389 2315 2778 4630 6945 13890 16607 33214 49821 83035 99642 166070 249105 498210 7689041 15378082 23067123 38445205 46134246 76890410 115335615 230671230