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51842199 = 331557443
BaseRepresentation
bin1100010111000…
…0110010010111
310121112212010110
43011300302113
5101232422244
65051054103
71166436303
oct305606227
9117485113
1051842199
11272998a2
1215441333
13a981a76
146c56d03
1548409b9
hex3170c97

51842199 has 8 divisors (see below), whose sum is σ = 71352832. Its totient is φ = 33446520.

The previous prime is 51842177. The next prime is 51842209. The reversal of 51842199 is 99124815.

51842199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51842199 - 215 = 51809431 is a prime.

It is a super-2 number, since 2×518421992 = 5375227194311202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51842599) 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 7 ways as a sum of consecutive naturals, for example, 278629 + ... + 278814.

It is an arithmetic number, because the mean of its divisors is an integer number (8919104).

Almost surely, 251842199 is an apocalyptic number.

51842199 is a deficient number, since it is larger than the sum of its proper divisors (19510633).

51842199 is a wasteful number, since it uses less digits than its factorization.

51842199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557477.

The product of its digits is 25920, while the sum is 39.

The square root of 51842199 is about 7200.1527067139. The cubic root of 51842199 is about 372.8731728654.

The spelling of 51842199 in words is "fifty-one million, eight hundred forty-two thousand, one hundred ninety-nine".

Divisors: 1 3 31 93 557443 1672329 17280733 51842199