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41428913 = 110937357
BaseRepresentation
bin1001111000001…
…0011110110001
32212221210210012
42132002132301
541101211123
64035544305
71012066001
oct236023661
985853705
1041428913
1121427179
1211a5b095
138777066
145706001
153985378
hex27827b1

41428913 has 4 divisors (see below), whose sum is σ = 41467380. Its totient is φ = 41390448.

The previous prime is 41428883. The next prime is 41428921. The reversal of 41428913 is 31982414.

It is a happy number.

41428913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31982414 = 215991207.

It can be written as a sum of positive squares in 2 ways, for example, as 3888784 + 37540129 = 1972^2 + 6127^2 .

It is a cyclic number.

It is not a de Polignac number, because 41428913 - 210 = 41427889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41428913.

It is not an unprimeable number, because it can be changed into a prime (41428963) 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 3 ways as a sum of consecutive naturals, for example, 17570 + ... + 19787.

It is an arithmetic number, because the mean of its divisors is an integer number (10366845).

Almost surely, 241428913 is an apocalyptic number.

It is an amenable number.

41428913 is a deficient number, since it is larger than the sum of its proper divisors (38467).

41428913 is a wasteful number, since it uses less digits than its factorization.

41428913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38466.

The product of its digits is 6912, while the sum is 32.

The square root of 41428913 is about 6436.5295773421. The cubic root of 41428913 is about 346.0199822511.

The spelling of 41428913 in words is "forty-one million, four hundred twenty-eight thousand, nine hundred thirteen".

Divisors: 1 1109 37357 41428913