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13798444 = 2211536197
BaseRepresentation
bin110100101000…
…110000101100
3221222000220111
4310220300230
512013022234
61211425404
7225166462
oct64506054
927860814
1013798444
117874a80
124755264
132b2177a
141b92832
151328664
hexd28c2c

13798444 has 48 divisors (see below), whose sum is σ = 27560736. Its totient is φ = 5990400.

The previous prime is 13798429. The next prime is 13798451. The reversal of 13798444 is 44489731.

It is a super-2 number, since 2×137984442 = 380794113642272, which contains 22 as substring.

Its product of digits (96768) is a multiple of the sum of its prime divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 13798397 and 13798406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142204 + ... + 142300.

It is an arithmetic number, because the mean of its divisors is an integer number (574182).

Almost surely, 213798444 is an apocalyptic number.

It is an amenable number.

13798444 is a deficient number, since it is larger than the sum of its proper divisors (13762292).

13798444 is a wasteful number, since it uses less digits than its factorization.

13798444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 224 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 13798444 is about 3714.6256877376. The cubic root of 13798444 is about 239.8520152524.

It can be divided in two parts, 137984 and 44, that multiplied together give a square (6071296 = 24642).

The spelling of 13798444 in words is "thirteen million, seven hundred ninety-eight thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 53 61 97 106 122 194 212 244 388 583 671 1067 1166 1342 2134 2332 2684 3233 4268 5141 5917 6466 10282 11834 12932 20564 23668 35563 56551 65087 71126 113102 130174 142252 226204 260348 313601 627202 1254404 3449611 6899222 13798444