Search a number
-
+
28894496 = 25902953
BaseRepresentation
bin110111000111…
…0010100100000
32000100222210112
41232032110200
524344110441
62511150452
7500412341
oct156162440
960328715
1028894496
1115345954
129815428
135ca8a47
143ba20c8
15280b4eb
hex1b8e520

28894496 has 12 divisors (see below), whose sum is σ = 56886102. Its totient is φ = 14447232.

The previous prime is 28894471. The next prime is 28894501. The reversal of 28894496 is 69449882.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26832400 + 2062096 = 5180^2 + 1436^2 .

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, 451445 + ... + 451508.

Almost surely, 228894496 is an apocalyptic number.

It is an amenable number.

28894496 is a deficient number, since it is larger than the sum of its proper divisors (27991606).

28894496 is an equidigital number, since it uses as much as digits as its factorization.

28894496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902963 (or 902955 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 28894496 is about 5375.3600809620. The cubic root of 28894496 is about 306.8586531501.

The spelling of 28894496 in words is "twenty-eight million, eight hundred ninety-four thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 32 902953 1805906 3611812 7223624 14447248 28894496