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52030812 = 22317255053
BaseRepresentation
bin1100011001111…
…0110101011100
310121220102212010
43012132311130
5101304441222
65055111220
71201153221
oct306366534
9117812763
1052030812
1127408579
1215512510
13aa19882
146ca5948
15487b80c
hex319ed5c

52030812 has 24 divisors (see below), whose sum is σ = 128547216. Its totient is φ = 16323328.

The previous prime is 52030801. The next prime is 52030831. The reversal of 52030812 is 21803025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127323 + ... + 127730.

It is an arithmetic number, because the mean of its divisors is an integer number (5356134).

Almost surely, 252030812 is an apocalyptic number.

It is an amenable number.

52030812 is an abundant number, since it is smaller than the sum of its proper divisors (76516404).

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

52030812 is a wasteful number, since it uses less digits than its factorization.

52030812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255077 (or 255075 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 52030812 is about 7213.2386623486. The cubic root of 52030812 is about 373.3248230061.

Adding to 52030812 its reverse (21803025), we get a palindrome (73833837).

The spelling of 52030812 in words is "fifty-two million, thirty thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 255053 510106 765159 1020212 1530318 3060636 4335901 8671802 13007703 17343604 26015406 52030812