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52791942 = 2378211531
BaseRepresentation
bin1100100101100…
…0101010000110
310200100002221010
43021120222012
5102003320232
65123303050
71210503240
oct311305206
9120302833
1052791942
1127888405
121581aa86
13ac25148
147023090
15497c0cc
hex3258a86

52791942 has 32 divisors (see below), whose sum is σ = 120893184. Its totient is φ = 15055200.

The previous prime is 52791941. The next prime is 52791971. The reversal of 52791942 is 24919725.

It is a self number, because there is not a number n which added to its sum of digits gives 52791942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52791941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33717 + ... + 35247.

It is an arithmetic number, because the mean of its divisors is an integer number (3777912).

Almost surely, 252791942 is an apocalyptic number.

52791942 is an abundant number, since it is smaller than the sum of its proper divisors (68101242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52791942 is a wasteful number, since it uses less digits than its factorization.

52791942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its digits is 45360, while the sum is 39.

The square root of 52791942 is about 7265.8063558011. The cubic root of 52791942 is about 375.1364054879.

The spelling of 52791942 in words is "fifty-two million, seven hundred ninety-one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 821 1531 1642 2463 3062 4593 4926 5747 9186 10717 11494 17241 21434 32151 34482 64302 1256951 2513902 3770853 7541706 8798657 17597314 26395971 52791942