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13345038 = 2327105913
BaseRepresentation
bin110010111010…
…000100001110
3221002222221200
4302322010032
511404020123
61154010330
7221300550
oct62720416
927088850
1013345038
117595363
1245769a6
1329c3295
141ab54d0
151289143
hexcba10e

13345038 has 24 divisors (see below), whose sum is σ = 33045168. Its totient is φ = 3812832.

The previous prime is 13345027. The next prime is 13345063. The reversal of 13345038 is 83054331.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 52831 + ... + 53082.

It is an arithmetic number, because the mean of its divisors is an integer number (1376882).

Almost surely, 213345038 is an apocalyptic number.

13345038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13345038 is an abundant number, since it is smaller than the sum of its proper divisors (19700130).

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

13345038 is a wasteful number, since it uses less digits than its factorization.

13345038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105928 (or 105925 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 13345038 is about 3653.0860926072. The cubic root of 13345038 is about 237.1955870896.

Adding to 13345038 its reverse (83054331), we get a palindrome (96399369).

The spelling of 13345038 in words is "thirteen million, three hundred forty-five thousand, thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 105913 211826 317739 635478 741391 953217 1482782 1906434 2224173 4448346 6672519 13345038