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13818996 = 22324379113
BaseRepresentation
bin110100101101…
…110001110100
3222000002002200
4310231301310
512014201441
61212104500
7225313422
oct64556164
928002080
1013818996
117889464
124765130
132b2ac29
141b9a112
15132e7b6
hexd2dc74

13818996 has 72 divisors (see below), whose sum is σ = 36516480. Its totient is φ = 4402944.

The previous prime is 13818989. The next prime is 13819007. The reversal of 13818996 is 69981831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122236 + ... + 122348.

Almost surely, 213818996 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 13818996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18258240).

13818996 is an abundant number, since it is smaller than the sum of its proper divisors (22697484).

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

13818996 is a wasteful number, since it uses less digits than its factorization.

13818996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 240 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 13818996 is about 3717.3910205950. The cubic root of 13818996 is about 239.9710381719.

The spelling of 13818996 in words is "thirteen million, eight hundred eighteen thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 43 79 86 113 129 158 172 226 237 258 316 339 387 452 474 516 678 711 774 948 1017 1356 1422 1548 2034 2844 3397 4068 4859 6794 8927 9718 10191 13588 14577 17854 19436 20382 26781 29154 30573 35708 40764 43731 53562 58308 61146 80343 87462 107124 122292 160686 174924 321372 383861 767722 1151583 1535444 2303166 3454749 4606332 6909498 13818996