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2872022 = 26721433
BaseRepresentation
bin1010111101001011010110
312101220200012
422331023112
51213401042
6141320222
733261146
oct12751326
95356605
102872022
11169187a
12b66072
1379732a
1454a926
153bae82
hex2bd2d6

2872022 has 8 divisors (see below), whose sum is σ = 4372536. Its totient is φ = 1414512.

The previous prime is 2872019. The next prime is 2872027. The reversal of 2872022 is 2202782.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872027) 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 3 ways as a sum of consecutive naturals, for example, 10583 + ... + 10850.

It is an arithmetic number, because the mean of its divisors is an integer number (546567).

22872022 is an apocalyptic number.

2872022 is a deficient number, since it is larger than the sum of its proper divisors (1500514).

2872022 is a wasteful number, since it uses less digits than its factorization.

2872022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21502.

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

The square root of 2872022 is about 1694.7041039662. The cubic root of 2872022 is about 142.1442361711.

The spelling of 2872022 in words is "two million, eight hundred seventy-two thousand, twenty-two".

Divisors: 1 2 67 134 21433 42866 1436011 2872022