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13015414 = 26507707
BaseRepresentation
bin110001101001…
…100101110110
3220111020210101
4301221211312
511312443124
61142544314
7215425546
oct61514566
926436711
1013015414
11738a745
12443809a
132909239
141a2b326
151221644
hexc69976

13015414 has 4 divisors (see below), whose sum is σ = 19523124. Its totient is φ = 6507706.

The previous prime is 13015391. The next prime is 13015423. The reversal of 13015414 is 41451031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41451031 = 412910039.

It is a super-3 number, since 3×130154143 (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13015391 and 13015400.

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 as a sum of consecutive naturals, namely, 3253852 + ... + 3253855.

It is an arithmetic number, because the mean of its divisors is an integer number (4880781).

Almost surely, 213015414 is an apocalyptic number.

13015414 is a deficient number, since it is larger than the sum of its proper divisors (6507710).

13015414 is an equidigital number, since it uses as much as digits as its factorization.

13015414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507709.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 13015414 is about 3607.6881794301. The cubic root of 13015414 is about 235.2263640484.

Adding to 13015414 its reverse (41451031), we get a palindrome (54466445).

The spelling of 13015414 in words is "thirteen million, fifteen thousand, four hundred fourteen".

Divisors: 1 2 6507707 13015414