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872042 = 2631691
BaseRepresentation
bin11010100111001101010
31122022012212
43110321222
5210401132
630405122
710261253
oct3247152
91568185
10872042
115461a6
123607a2
13246c02
14189b2a
151235b2
hexd4e6a

872042 has 8 divisors (see below), whose sum is σ = 1312032. Its totient is φ = 434700.

The previous prime is 872041. The next prime is 872057. The reversal of 872042 is 240278.

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

It is a junction number, because it is equal to n+sod(n) for n = 871999 and 872017.

It is not an unprimeable number, because it can be changed into a prime (872041) 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 3 ways as a sum of consecutive naturals, for example, 917 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (164004).

2872042 is an apocalyptic number.

872042 is a deficient number, since it is larger than the sum of its proper divisors (439990).

872042 is a wasteful number, since it uses less digits than its factorization.

872042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 872042 is about 933.8318906527. The cubic root of 872042 is about 95.5386574490.

The spelling of 872042 in words is "eight hundred seventy-two thousand, forty-two".

Divisors: 1 2 631 691 1262 1382 436021 872042