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28894498 = 229498181
BaseRepresentation
bin110111000111…
…0010100100010
32000100222210121
41232032110202
524344110443
62511150454
7500412343
oct156162442
960328717
1028894498
1115345956
12981542a
135ca8a49
143ba20ca
15280b4ed
hex1b8e522

28894498 has 8 divisors (see below), whose sum is σ = 44836380. Its totient is φ = 13949040.

The previous prime is 28894471. The next prime is 28894501. The reversal of 28894498 is 89449882.

It can be written as a sum of positive squares in 2 ways, for example, as 25371369 + 3523129 = 5037^2 + 1877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249033 + ... + 249148.

Almost surely, 228894498 is an apocalyptic number.

28894498 is a deficient number, since it is larger than the sum of its proper divisors (15941882).

28894498 is a wasteful number, since it uses less digits than its factorization.

28894498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498212.

The product of its digits is 1327104, while the sum is 52.

The square root of 28894498 is about 5375.3602669961. The cubic root of 28894498 is about 306.8586602301.

It can be divided in two parts, 28894 and 498, that added together give a palindrome (29392).

The spelling of 28894498 in words is "twenty-eight million, eight hundred ninety-four thousand, four hundred ninety-eight".

Divisors: 1 2 29 58 498181 996362 14447249 28894498