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18041088 = 283132139
BaseRepresentation
bin100010011010…
…0100100000000
31020221120201110
41010310210000
514104303323
61442403320
7306226632
oct104644400
936846643
1018041088
11a20259a
126060540
133978900
142578a52
1518b5793
hex1134900

18041088 has 108 divisors (see below), whose sum is σ = 52367280. Its totient is φ = 5511168.

The previous prime is 18041087. The next prime is 18041099. The reversal of 18041088 is 88014081.

It is not an unprimeable number, because it can be changed into a prime (18041081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129723 + ... + 129861.

Almost surely, 218041088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18041088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26183640).

18041088 is an abundant number, since it is smaller than the sum of its proper divisors (34326192).

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

18041088 is a wasteful number, since it uses less digits than its factorization.

18041088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 18041088 is about 4247.4801941857. The cubic root of 18041088 is about 262.2733971854.

The spelling of 18041088 in words is "eighteen million, forty-one thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 139 156 169 192 208 256 278 312 338 384 416 417 507 556 624 676 768 832 834 1014 1112 1248 1352 1664 1668 1807 2028 2224 2496 2704 3328 3336 3614 4056 4448 4992 5408 5421 6672 7228 8112 8896 9984 10816 10842 13344 14456 16224 17792 21632 21684 23491 26688 28912 32448 35584 43264 43368 46982 53376 57824 64896 70473 86736 93964 106752 115648 129792 140946 173472 187928 231296 281892 346944 375856 462592 563784 693888 751712 1127568 1387776 1503424 2255136 3006848 4510272 6013696 9020544 18041088