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42294193 = 387710909
BaseRepresentation
bin1010000101010…
…1101110110001
32221120202201121
42201111232301
541311403233
64110302241
71022331454
oct241255661
987522647
1042294193
1121968287
12121b7981
1389bab66
14588d49b
153aa692d
hex2855bb1

42294193 has 4 divisors (see below), whose sum is σ = 42308980. Its totient is φ = 42279408.

The previous prime is 42294191. The next prime is 42294223. The reversal of 42294193 is 39149224.

42294193 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.

It can be written as a sum of positive squares in 2 ways, for example, as 10349089 + 31945104 = 3217^2 + 5652^2 .

It is a cyclic number.

It is not a de Polignac number, because 42294193 - 21 = 42294191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42294191) 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, 1578 + ... + 9331.

It is an arithmetic number, because the mean of its divisors is an integer number (10577245).

Almost surely, 242294193 is an apocalyptic number.

It is an amenable number.

42294193 is a deficient number, since it is larger than the sum of its proper divisors (14787).

42294193 is a wasteful number, since it uses less digits than its factorization.

42294193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14786.

The product of its digits is 15552, while the sum is 34.

The square root of 42294193 is about 6503.3985730539. The cubic root of 42294193 is about 348.4123821625.

The spelling of 42294193 in words is "forty-two million, two hundred ninety-four thousand, one hundred ninety-three".

Divisors: 1 3877 10909 42294193