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28463822 = 214231911
BaseRepresentation
bin110110010010…
…1001011001110
31222120010000122
41230211023032
524241320242
62454024542
7463636622
oct154451316
958503018
1028463822
1115081322
129648152
135b879ca
143acd182
152773ad2
hex1b252ce

28463822 has 4 divisors (see below), whose sum is σ = 42695736. Its totient is φ = 14231910.

The previous prime is 28463821. The next prime is 28463839. The reversal of 28463822 is 22836482.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28463821) by changing a digit.

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 as a sum of consecutive naturals, namely, 7115954 + ... + 7115957.

It is an arithmetic number, because the mean of its divisors is an integer number (10673934).

Almost surely, 228463822 is an apocalyptic number.

28463822 is a deficient number, since it is larger than the sum of its proper divisors (14231914).

28463822 is a wasteful number, since it uses less digits than its factorization.

28463822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14231913.

The product of its digits is 36864, while the sum is 35.

The square root of 28463822 is about 5335.1496698781. The cubic root of 28463822 is about 305.3264336247.

The spelling of 28463822 in words is "twenty-eight million, four hundred sixty-three thousand, eight hundred twenty-two".

Divisors: 1 2 14231911 28463822