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13491834 = 232248639
BaseRepresentation
bin110011011101…
…111001111010
3221101110022120
4303131321322
511423214314
61201102110
7222451536
oct63357172
927343276
1013491834
117685684
124627936
132a45045
141b12bc6
1512b78a9
hexcdde7a

13491834 has 8 divisors (see below), whose sum is σ = 26983680. Its totient is φ = 4497276.

The previous prime is 13491833. The next prime is 13491853. The reversal of 13491834 is 43819431.

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

13491834 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13491795 and 13491804.

It is not an unprimeable number, because it can be changed into a prime (13491833) 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, 1124314 + ... + 1124325.

It is an arithmetic number, because the mean of its divisors is an integer number (3372960).

Almost surely, 213491834 is an apocalyptic number.

13491834 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.

13491834 is a wasteful number, since it uses less digits than its factorization.

13491834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248644.

The product of its digits is 10368, while the sum is 33.

The square root of 13491834 is about 3673.1231942313. The cubic root of 13491834 is about 238.0621380488.

The spelling of 13491834 in words is "thirteen million, four hundred ninety-one thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 2248639 4497278 6745917 13491834