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2804942 = 272331281
BaseRepresentation
bin1010101100110011001110
312021111122202
422230303032
51204224232
6140041502
732561450
oct12546316
95244582
102804942
111646438
12b33292
1377293a
145302d0
153a6162
hex2accce

2804942 has 32 divisors (see below), whose sum is σ = 5197824. Its totient is φ = 1108800.

The previous prime is 2804941. The next prime is 2804953. The reversal of 2804942 is 2494082.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9842 + ... + 10122.

It is an arithmetic number, because the mean of its divisors is an integer number (162432).

22804942 is an apocalyptic number.

2804942 is a deficient number, since it is larger than the sum of its proper divisors (2392882).

2804942 is a wasteful number, since it uses less digits than its factorization.

2804942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2804942 is about 1674.7961069933. The cubic root of 2804942 is about 141.0288491177.

The spelling of 2804942 in words is "two million, eight hundred four thousand, nine hundred forty-two".

Divisors: 1 2 7 14 23 31 46 62 161 217 281 322 434 562 713 1426 1967 3934 4991 6463 8711 9982 12926 17422 45241 60977 90482 121954 200353 400706 1402471 2804942