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13823998 = 28218419
BaseRepresentation
bin110100101110…
…111111111110
3222000022221221
4310232333332
512014331443
61212143554
7225334126
oct64567776
928008857
1013823998
1178921a1
124767bba
132b302a6
141b9bc86
151330eed
hexd2effe

13823998 has 8 divisors (see below), whose sum is σ = 20763720. Its totient is φ = 6902760.

The previous prime is 13823987. The next prime is 13824017. The reversal of 13823998 is 89932831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×138239982 = 382205841408008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568 + ... + 5851.

It is an arithmetic number, because the mean of its divisors is an integer number (2595465).

Almost surely, 213823998 is an apocalyptic number.

13823998 is a deficient number, since it is larger than the sum of its proper divisors (6939722).

13823998 is an equidigital number, since it uses as much as digits as its factorization.

13823998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242.

The product of its digits is 93312, while the sum is 43.

The square root of 13823998 is about 3718.0637434019. The cubic root of 13823998 is about 239.9999884259. Note that the first 4 decimals are identical.

The spelling of 13823998 in words is "thirteen million, eight hundred twenty-three thousand, nine hundred ninety-eight".

Divisors: 1 2 821 1642 8419 16838 6911999 13823998