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230392230 = 23567831381
BaseRepresentation
bin11011011101110…
…00000110100110
3121001112010201120
431232320012212
5432440022410
634510034410
75465205315
oct1556700646
9531463646
10230392230
11109061102
12651a8a06
1338968983
142285427c
151535e570
hexdbb81a6

230392230 has 64 divisors (see below), whose sum is σ = 568366848. Its totient is φ = 59748480.

The previous prime is 230392223. The next prime is 230392247. The reversal of 230392230 is 32293032.

It is a self number, because there is not a number n which added to its sum of digits gives 230392230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166140 + ... + 167520.

It is an arithmetic number, because the mean of its divisors is an integer number (8880732).

Almost surely, 2230392230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230392230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284183424).

230392230 is an abundant number, since it is smaller than the sum of its proper divisors (337974618).

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

230392230 is a wasteful number, since it uses less digits than its factorization.

230392230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 230392230 is about 15178.6768198022. The cubic root of 230392230 is about 613.0406543741.

The spelling of 230392230 in words is "two hundred thirty million, three hundred ninety-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67 83 134 166 201 249 335 402 415 498 670 830 1005 1245 1381 2010 2490 2762 4143 5561 6905 8286 11122 13810 16683 20715 27805 33366 41430 55610 83415 92527 114623 166830 185054 229246 277581 343869 462635 555162 573115 687738 925270 1146230 1387905 1719345 2775810 3438690 7679741 15359482 23039223 38398705 46078446 76797410 115196115 230392230