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230251326 = 23414321767
BaseRepresentation
bin11011011100101…
…01101100111110
3121001020222102220
431232111230332
5432421020301
634503030210
75464050444
oct1556255476
9531228386
10230251326
11108a75258
126513b366
13389197b6
1422818b94
1515332936
hexdb95b3e

230251326 has 32 divisors (see below), whose sum is σ = 482727168. Its totient is φ = 73133760.

The previous prime is 230251319. The next prime is 230251327. The reversal of 230251326 is 623152032.

It is a junction number, because it is equal to n+sod(n) for n = 230251296 and 230251305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230251327) 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, 306 + ... + 21461.

It is an arithmetic number, because the mean of its divisors is an integer number (15085224).

Almost surely, 2230251326 is an apocalyptic number.

230251326 is an abundant number, since it is smaller than the sum of its proper divisors (252475842).

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

230251326 is a wasteful number, since it uses less digits than its factorization.

230251326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21856.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 230251326 is about 15174.0345986162. The cubic root of 230251326 is about 612.9156537815.

It can be divided in two parts, 2302 and 51326, that added together give a triangular number (53628 = T327).

The spelling of 230251326 in words is "two hundred thirty million, two hundred fifty-one thousand, three hundred twenty-six".

Divisors: 1 2 3 6 41 43 82 86 123 129 246 258 1763 3526 5289 10578 21767 43534 65301 130602 892447 935981 1784894 1871962 2677341 2807943 5354682 5615886 38375221 76750442 115125663 230251326