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13749234 = 232291539
BaseRepresentation
bin110100011100…
…101111110010
3221212112101220
4310130233302
512004433414
61210405510
7224603142
oct64345762
927775356
1013749234
117841004
124730896
132b05255
141b7c922
151318ca9
hexd1cbf2

13749234 has 8 divisors (see below), whose sum is σ = 27498480. Its totient is φ = 4583076.

The previous prime is 13749233. The next prime is 13749247. The reversal of 13749234 is 43294731.

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

13749234 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13749195 and 13749204.

It is not an unprimeable number, because it can be changed into a prime (13749233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145764 + ... + 1145775.

It is an arithmetic number, because the mean of its divisors is an integer number (3437310).

Almost surely, 213749234 is an apocalyptic number.

13749234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13749234 is a wasteful number, since it uses less digits than its factorization.

13749234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291544.

The product of its digits is 18144, while the sum is 33.

The square root of 13749234 is about 3707.9959546903. The cubic root of 13749234 is about 239.5665440098.

The spelling of 13749234 in words is "thirteen million, seven hundred forty-nine thousand, two hundred thirty-four".

Divisors: 1 2 3 6 2291539 4583078 6874617 13749234