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13816998 = 23213137431
BaseRepresentation
bin110100101101…
…010010100110
3221222222100200
4310231102212
512014120443
61212051330
7225304536
oct64552246
927888320
1013816998
117887a08
124763b46
132b2a050
141b994c6
15132ddd3
hexd2d4a6

13816998 has 48 divisors (see below), whose sum is σ = 32550336. Its totient is φ = 4210560.

The previous prime is 13816993. The next prime is 13817003. The reversal of 13816998 is 89961831.

13816998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13816993) and next prime (13817003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13816993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31843 + ... + 32273.

It is an arithmetic number, because the mean of its divisors is an integer number (678132).

Almost surely, 213816998 is an apocalyptic number.

13816998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13816998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16275168).

13816998 is an abundant number, since it is smaller than the sum of its proper divisors (18733338).

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

13816998 is a wasteful number, since it uses less digits than its factorization.

13816998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 586 counting only the distinct ones).

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

The square root of 13816998 is about 3717.1222740179. The cubic root of 13816998 is about 239.9594723233.

The spelling of 13816998 in words is "thirteen million, eight hundred sixteen thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 137 234 274 411 431 822 862 1233 1293 1781 2466 2586 3562 3879 5343 5603 7758 10686 11206 16029 16809 32058 33618 50427 59047 100854 118094 177141 354282 531423 767611 1062846 1535222 2302833 4605666 6908499 13816998