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13882068 = 22322913297
BaseRepresentation
bin110100111101…
…001011010100
3222010021121200
4310331023110
512023211233
61213312500
7225665334
oct64751324
928107550
1013882068
117921892
124795730
132b50855
141bb50c4
151343313
hexd3d2d4

13882068 has 36 divisors (see below), whose sum is σ = 36303540. Its totient is φ = 4467456.

The previous prime is 13882049. The next prime is 13882091. The reversal of 13882068 is 86028831.

It can be written as a sum of positive squares in 2 ways, for example, as 2471184 + 11410884 = 1572^2 + 3378^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 5605 + ... + 7692.

Almost surely, 213882068 is an apocalyptic number.

13882068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13882068 is an abundant number, since it is smaller than the sum of its proper divisors (22421472).

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

13882068 is a wasteful number, since it uses less digits than its factorization.

13882068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13336 (or 13331 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 13882068 is about 3725.8647318441. The cubic root of 13882068 is about 240.3355722449.

The spelling of 13882068 in words is "thirteen million, eight hundred eighty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 13297 26594 39891 53188 79782 119673 159564 239346 385613 478692 771226 1156839 1542452 2313678 3470517 4627356 6941034 13882068