Search a number
-
+
28076294 = 214038147
BaseRepresentation
bin110101100011…
…0100100000110
31221211102102202
41223012210012
524141420134
62441434502
7460434041
oct153064406
957742382
1028076294
1114937154
12949ba32
135a804bc
143a2bc58
1526e8d7e
hex1ac6906

28076294 has 4 divisors (see below), whose sum is σ = 42114444. Its totient is φ = 14038146.

The previous prime is 28076239. The next prime is 28076309. The reversal of 28076294 is 49267082.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 7019072 + ... + 7019075.

It is an arithmetic number, because the mean of its divisors is an integer number (10528611).

Almost surely, 228076294 is an apocalyptic number.

28076294 is a deficient number, since it is larger than the sum of its proper divisors (14038150).

28076294 is a wasteful number, since it uses less digits than its factorization.

28076294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14038149.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 28076294 is about 5298.7068233674. The cubic root of 28076294 is about 303.9344488742.

The spelling of 28076294 in words is "twenty-eight million, seventy-six thousand, two hundred ninety-four".

Divisors: 1 2 14038147 28076294