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2823942 = 231142787
BaseRepresentation
bin1010110001011100000110
312022110201110
422301130012
51210331232
6140305450
733001032
oct12613406
95273643
102823942
111659740
12b42286
1377b494
145371c2
153abacc
hex2b1706

2823942 has 16 divisors (see below), whose sum is σ = 6161472. Its totient is φ = 855720.

The previous prime is 2823923. The next prime is 2823943. The reversal of 2823942 is 2493282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2823943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21328 + ... + 21459.

It is an arithmetic number, because the mean of its divisors is an integer number (385092).

22823942 is an apocalyptic number.

2823942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2823942 is an abundant number, since it is smaller than the sum of its proper divisors (3337530).

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

2823942 is a wasteful number, since it uses less digits than its factorization.

2823942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42803.

The product of its digits is 6912, while the sum is 30.

The square root of 2823942 is about 1680.4588659054. The cubic root of 2823942 is about 141.3465646111.

It can be divided in two parts, 282 and 3942, that added together give a palindrome (4224).

The spelling of 2823942 in words is "two million, eight hundred twenty-three thousand, nine hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 42787 85574 128361 256722 470657 941314 1411971 2823942