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28262714 = 214131357
BaseRepresentation
bin110101111010…
…0000100111010
31222011220011012
41223310010322
524213401324
62445433522
7462141404
oct153640472
958156135
1028262714
1114a54217
12956b8a2
135b172cc
143a79b74
15273420e
hex1af413a

28262714 has 4 divisors (see below), whose sum is σ = 42394074. Its totient is φ = 14131356.

The previous prime is 28262713. The next prime is 28262723. The reversal of 28262714 is 41726282.

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

It can be written as a sum of positive squares in only one way, i.e., 18447025 + 9815689 = 4295^2 + 3133^2 .

It is not an unprimeable number, because it can be changed into a prime (28262713) 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, 7065677 + ... + 7065680.

Almost surely, 228262714 is an apocalyptic number.

28262714 is a deficient number, since it is larger than the sum of its proper divisors (14131360).

28262714 is a wasteful number, since it uses less digits than its factorization.

28262714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14131359.

The product of its digits is 10752, while the sum is 32.

The square root of 28262714 is about 5316.2688043401. The cubic root of 28262714 is about 304.6056499790.

Adding to 28262714 its reverse (41726282), we get a palindrome (69988996).

The spelling of 28262714 in words is "twenty-eight million, two hundred sixty-two thousand, seven hundred fourteen".

Divisors: 1 2 14131357 28262714