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18346968 = 2332377197
BaseRepresentation
bin100010111111…
…1001111011000
31021112010022100
41011333033120
514144100333
61453123400
7311642463
oct105771730
937463270
1018346968
11a3a1392
126189560
133a54bc3
1426182da
151926213
hex117f3d8

18346968 has 96 divisors (see below), whose sum is σ = 52284960. Its totient is φ = 5806080.

The previous prime is 18346921. The next prime is 18346981. The reversal of 18346968 is 86964381.

18346968 is a `hidden beast` number, since 183 + 469 + 6 + 8 = 666.

It is a super-2 number, since 2×183469682 = 673222469586048, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189096 + ... + 189192.

It is an arithmetic number, because the mean of its divisors is an integer number (544635).

Almost surely, 218346968 is an apocalyptic number.

18346968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18346968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26142480).

18346968 is an abundant number, since it is smaller than the sum of its proper divisors (33937992).

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

18346968 is a wasteful number, since it uses less digits than its factorization.

18346968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 210 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 18346968 is about 4283.3360830082. The cubic root of 18346968 is about 263.7473478167.

The spelling of 18346968 in words is "eighteen million, three hundred forty-six thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 71 72 74 97 111 142 148 194 213 222 284 291 296 333 388 426 444 568 582 639 666 776 852 873 888 1164 1278 1332 1704 1746 2328 2556 2627 2664 3492 3589 5112 5254 6887 6984 7178 7881 10508 10767 13774 14356 15762 20661 21016 21534 23643 27548 28712 31524 32301 41322 43068 47286 55096 61983 63048 64602 82644 86136 94572 123966 129204 165288 189144 247932 254819 258408 495864 509638 764457 1019276 1528914 2038552 2293371 3057828 4586742 6115656 9173484 18346968