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2828746 = 21414373
BaseRepresentation
bin1010110010100111001010
312022201022101
422302213022
51211004441
6140344014
733021034
oct12624712
95281271
102828746
111662308
12b4500a
1378071b
14538c54
153ad231
hex2b29ca

2828746 has 4 divisors (see below), whose sum is σ = 4243122. Its totient is φ = 1414372.

The previous prime is 2828743. The next prime is 2828767. The reversal of 2828746 is 6478282.

2828746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6478282 = 23239141.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 1125721 = 1305^2 + 1061^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2828741) by changing a digit.

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 as a sum of consecutive naturals, namely, 707185 + ... + 707188.

22828746 is an apocalyptic number.

2828746 is a deficient number, since it is larger than the sum of its proper divisors (1414376).

2828746 is a wasteful number, since it uses less digits than its factorization.

2828746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414375.

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

The square root of 2828746 is about 1681.8876300158. The cubic root of 2828746 is about 141.4266706252.

The spelling of 2828746 in words is "two million, eight hundred twenty-eight thousand, seven hundred forty-six".

Divisors: 1 2 1414373 2828746