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2768842 = 26720663
BaseRepresentation
bin1010100011111111001010
312012200010201
422203333022
51202100332
6135202414
732351266
oct12437712
95180121
102768842
1116212aa
12b1640a
1375c38b
145210a6
1539a5e7
hex2a3fca

2768842 has 8 divisors (see below), whose sum is σ = 4215456. Its totient is φ = 1363692.

The previous prime is 2768819. The next prime is 2768863. The reversal of 2768842 is 2488672.

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

It is an unprimeable number.

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, 10198 + ... + 10465.

It is an arithmetic number, because the mean of its divisors is an integer number (526932).

22768842 is an apocalyptic number.

2768842 is a deficient number, since it is larger than the sum of its proper divisors (1446614).

2768842 is a wasteful number, since it uses less digits than its factorization.

2768842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20732.

The product of its digits is 43008, while the sum is 37.

The square root of 2768842 is about 1663.9837739593. The cubic root of 2768842 is about 140.4212144252.

It can be divided in two parts, 27688 and 42, that added together give a triangular number (27730 = T235).

The spelling of 2768842 in words is "two million, seven hundred sixty-eight thousand, eight hundred forty-two".

Divisors: 1 2 67 134 20663 41326 1384421 2768842