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23506230 = 235111923163
BaseRepresentation
bin101100110101…
…0110100110110
31122020020111010
41121222310312
522004144410
62155453050
7403541166
oct131526466
948206433
1023506230
11122a5640
127a57186
134b40317
14319c5a6
1520e4c20
hex166ad36

23506230 has 128 divisors (see below), whose sum is σ = 68014080. Its totient is φ = 5132160.

The previous prime is 23506229. The next prime is 23506279. The reversal of 23506230 is 3260532.

It is a junction number, because it is equal to n+sod(n) for n = 23506197 and 23506206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144129 + ... + 144291.

It is an arithmetic number, because the mean of its divisors is an integer number (531360).

Almost surely, 223506230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23506230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34007040).

23506230 is an abundant number, since it is smaller than the sum of its proper divisors (44507850).

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

23506230 is a wasteful number, since it uses less digits than its factorization.

23506230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 23506230 is about 4848.3223902707. The cubic root of 23506230 is about 286.4580252764.

Adding to 23506230 its reverse (3260532), we get a palindrome (26766762).

The spelling of 23506230 in words is "twenty-three million, five hundred six thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 19 22 23 30 33 38 46 55 57 66 69 95 110 114 115 138 163 165 190 209 230 253 285 326 330 345 418 437 489 506 570 627 690 759 815 874 978 1045 1254 1265 1311 1518 1630 1793 2090 2185 2445 2530 2622 3097 3135 3586 3749 3795 4370 4807 4890 5379 6194 6270 6555 7498 7590 8965 9291 9614 10758 11247 13110 14421 15485 17930 18582 18745 22494 24035 26895 28842 30970 34067 37490 41239 46455 48070 53790 56235 68134 71231 72105 82478 92910 102201 112470 123717 142462 144210 170335 204402 206195 213693 247434 340670 356155 412390 427386 511005 618585 712310 783541 1022010 1068465 1237170 1567082 2136930 2350623 3917705 4701246 7835410 11753115 23506230