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13745541 = 310742821
BaseRepresentation
bin110100011011…
…110110000101
3221212100100010
4310123312011
512004324131
61210340433
7224556315
oct64336605
927770303
1013745541
117839257
12472a719
132b03674
141b7b445
151317b46
hexd1bd85

13745541 has 8 divisors (see below), whose sum is σ = 18499104. Its totient is φ = 9077840.

The previous prime is 13745539. The next prime is 13745549. The reversal of 13745541 is 14554731.

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 13745541 - 21 = 13745539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13745499 and 13745508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13745549) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 21090 + ... + 21731.

It is an arithmetic number, because the mean of its divisors is an integer number (2312388).

Almost surely, 213745541 is an apocalyptic number.

It is an amenable number.

13745541 is a deficient number, since it is larger than the sum of its proper divisors (4753563).

13745541 is a wasteful number, since it uses less digits than its factorization.

13745541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42931.

The product of its digits is 8400, while the sum is 30.

The square root of 13745541 is about 3707.4979433575. The cubic root of 13745541 is about 239.5450931549.

The spelling of 13745541 in words is "thirteen million, seven hundred forty-five thousand, five hundred forty-one".

Divisors: 1 3 107 321 42821 128463 4581847 13745541