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13745845 = 512721647
BaseRepresentation
bin110100011011…
…111010110101
3221212100202101
4310123322311
512004331340
61210342101
7224560231
oct64337265
927770671
1013745845
117839503
12472a931
132b03849
141b7b5c1
151317c9a
hexd1beb5

13745845 has 8 divisors (see below), whose sum is σ = 16625664. Its totient is φ = 10909584.

The previous prime is 13745819. The next prime is 13745857. The reversal of 13745845 is 54854731.

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

It is a cyclic number.

It is not a de Polignac number, because 13745845 - 211 = 13743797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10189 + ... + 11458.

It is an arithmetic number, because the mean of its divisors is an integer number (2078208).

Almost surely, 213745845 is an apocalyptic number.

It is an amenable number.

13745845 is a deficient number, since it is larger than the sum of its proper divisors (2879819).

13745845 is a wasteful number, since it uses less digits than its factorization.

13745845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21779.

The product of its digits is 67200, while the sum is 37.

The square root of 13745845 is about 3707.5389411306. The cubic root of 13745845 is about 239.5468590893.

The spelling of 13745845 in words is "thirteen million, seven hundred forty-five thousand, eight hundred forty-five".

Divisors: 1 5 127 635 21647 108235 2749169 13745845