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2871942 = 232511907
BaseRepresentation
bin1010111101001010000110
312101220120020
422331022012
51213400232
6141320010
733261003
oct12751206
95356506
102871942
111691807
12b66006
13797298
1454a8aa
153bae2c
hex2bd286

2871942 has 16 divisors (see below), whose sum is σ = 5769792. Its totient is φ = 953000.

The previous prime is 2871937. The next prime is 2871959. The reversal of 2871942 is 2491782.

It is a happy number.

2871942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 553 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (360612).

22871942 is an apocalyptic number.

2871942 is an abundant number, since it is smaller than the sum of its proper divisors (2897850).

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

2871942 is a wasteful number, since it uses less digits than its factorization.

2871942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163.

The product of its digits is 8064, while the sum is 33.

The square root of 2871942 is about 1694.6805008614. The cubic root of 2871942 is about 142.1429163525.

The spelling of 2871942 in words is "two million, eight hundred seventy-one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 251 502 753 1506 1907 3814 5721 11442 478657 957314 1435971 2871942