Search a number
-
+
8912983230 = 234523478421
BaseRepresentation
bin10000100110100000…
…10101010010111110
3212000011100110110000
420103100111102332
5121223210430410
64032232055130
7433605051564
oct102320252276
925004313400
108912983230
113864168248
121888b344a6
13ac0734198
14607a43a34
1537273ddc0
hex2134154be

8912983230 has 80 divisors (see below), whose sum is σ = 25008074784. Its totient is φ = 2273451840.

The previous prime is 8912983223. The next prime is 8912983237. The reversal of 8912983230 is 323892198.

It is an interprime number because it is at equal distance from previous prime (8912983223) and next prime (8912983237).

It is a super-2 number, since 2×89129832302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8912983237) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 220581 + ... + 257840.

Almost surely, 28912983230 is an apocalyptic number.

8912983230 is an abundant number, since it is smaller than the sum of its proper divisors (16095091554).

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

8912983230 is a wasteful number, since it uses less digits than its factorization.

8912983230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478463 (or 478454 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 8912983230 is about 94408.5972250409. The cubic root of 8912983230 is about 2073.3583167196.

The spelling of 8912983230 in words is "eight billion, nine hundred twelve million, nine hundred eighty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 23 27 30 45 46 54 69 81 90 115 135 138 162 207 230 270 345 405 414 621 690 810 1035 1242 1863 2070 3105 3726 6210 9315 18630 478421 956842 1435263 2392105 2870526 4305789 4784210 7176315 8611578 11003683 12917367 14352630 21528945 22007366 25834734 33011049 38752101 43057890 55018415 64586835 66022098 77504202 99033147 110036830 129173670 165055245 193760505 198066294 297099441 330110490 387521010 495165735 594198882 891298323 990331470 1485497205 1782596646 2970994410 4456491615 8912983230