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52791842 = 2191389259
BaseRepresentation
bin1100100101100…
…0101000100010
310200100002210102
43021120220202
5102003314332
65123302402
71210503035
oct311305042
9120302712
1052791842
1127888324
121581aa02
13ac2509c
14702301c
15497c062
hex3258a22

52791842 has 8 divisors (see below), whose sum is σ = 83355600. Its totient is φ = 25006644.

The previous prime is 52791841. The next prime is 52791911. The reversal of 52791842 is 24819725.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1389259 = 52791842 / (5 + 2 + 7 + 9 + 1 + 8 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 52791796 and 52791805.

It is not an unprimeable number, because it can be changed into a prime (52791841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694592 + ... + 694667.

It is an arithmetic number, because the mean of its divisors is an integer number (10419450).

Almost surely, 252791842 is an apocalyptic number.

52791842 is a deficient number, since it is larger than the sum of its proper divisors (30563758).

52791842 is a wasteful number, since it uses less digits than its factorization.

52791842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389280.

The product of its digits is 40320, while the sum is 38.

The square root of 52791842 is about 7265.7994742492. The cubic root of 52791842 is about 375.1361686230.

The spelling of 52791842 in words is "fifty-two million, seven hundred ninety-one thousand, eight hundred forty-two".

Divisors: 1 2 19 38 1389259 2778518 26395921 52791842