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13948425 = 3252471319
BaseRepresentation
bin110101001101…
…011000001001
3222020122122100
4311031120021
512032322200
61214544013
7226362651
oct65153011
928218570
1013948425
117967727
124808009
132b74b0a
141bd1361
151357d00
hexd4d609

13948425 has 36 divisors (see below), whose sum is σ = 25534080. Its totient is φ = 7275360.

The previous prime is 13948423. The next prime is 13948433. The reversal of 13948425 is 52484931.

It is not a de Polignac number, because 13948425 - 21 = 13948423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13948425.

It is not an unprimeable number, because it can be changed into a prime (13948423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9916 + ... + 11234.

It is an arithmetic number, because the mean of its divisors is an integer number (709280).

Almost surely, 213948425 is an apocalyptic number.

13948425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13948425 is a deficient number, since it is larger than the sum of its proper divisors (11585655).

13948425 is a wasteful number, since it uses less digits than its factorization.

13948425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1374 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 13948425 is about 3734.7590283712. The cubic root of 13948425 is about 240.7179025088.

The spelling of 13948425 in words is "thirteen million, nine hundred forty-eight thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 47 75 141 225 235 423 705 1175 1319 2115 3525 3957 6595 10575 11871 19785 32975 59355 61993 98925 185979 296775 309965 557937 929895 1549825 2789685 4649475 13948425