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230617244 = 2211131932089
BaseRepresentation
bin11011011111011…
…11000010011100
3121001221120101102
431233233002130
5433014222434
634514532232
75500133324
oct1557570234
9531846342
10230617244
111091a5170
1265297078
1338a17210
14228b2284
15153a607e
hexdbef09c

230617244 has 48 divisors (see below), whose sum is σ = 476820960. Its totient is φ = 96215040.

The previous prime is 230617217. The next prime is 230617273. The reversal of 230617244 is 442716032.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 109352 + ... + 111440.

It is an arithmetic number, because the mean of its divisors is an integer number (9933770).

Almost surely, 2230617244 is an apocalyptic number.

It is an amenable number.

230617244 is an abundant number, since it is smaller than the sum of its proper divisors (246203716).

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

230617244 is a wasteful number, since it uses less digits than its factorization.

230617244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 230617244 is about 15186.0871853154. The cubic root of 230617244 is about 613.2401660888.

The spelling of 230617244 in words is "two hundred thirty million, six hundred seventeen thousand, two hundred forty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 193 286 386 572 772 2089 2123 2509 4178 4246 5018 8356 8492 10036 22979 27157 27599 45958 54314 55198 91916 108628 110396 298727 403177 597454 806354 1194908 1612708 4434947 5241301 8869894 10482602 17739788 20965204 57654311 115308622 230617244