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13254330 = 235441811
BaseRepresentation
bin110010100011…
…111010111010
3220221101112010
4302203322322
511343114310
61152030350
7220442235
oct62437272
926841463
1013254330
1175331a1
1245323b6
132990bcb
141a9041c
15126c320
hexca3eba

13254330 has 16 divisors (see below), whose sum is σ = 31810464. Its totient is φ = 3534480.

The previous prime is 13254323. The next prime is 13254361. The reversal of 13254330 is 3345231.

It is a junction number, because it is equal to n+sod(n) for n = 13254297 and 13254306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220876 + ... + 220935.

It is an arithmetic number, because the mean of its divisors is an integer number (1988154).

Almost surely, 213254330 is an apocalyptic number.

13254330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13254330 is an abundant number, since it is smaller than the sum of its proper divisors (18556134).

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

13254330 is a wasteful number, since it uses less digits than its factorization.

13254330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441821.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 13254330 is about 3640.6496672984. The cubic root of 13254330 is about 236.6569481781.

Adding to 13254330 its reverse (3345231), we get a palindrome (16599561).

Subtracting from 13254330 its reverse (3345231), we obtain a palindrome (9909099).

The spelling of 13254330 in words is "thirteen million, two hundred fifty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 441811 883622 1325433 2209055 2650866 4418110 6627165 13254330