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28794198 = 2324119913
BaseRepresentation
bin110110111010…
…1110101010110
32000011220012210
41231311311112
524332403243
62505054250
7466514046
oct155656526
960156183
1028794198
1115287564
129787386
135c721b4
143b77726
1527db933
hex1b75d56

28794198 has 16 divisors (see below), whose sum is σ = 57830256. Its totient is φ = 9557760.

The previous prime is 28794179. The next prime is 28794217. The reversal of 28794198 is 89149782.

It is an interprime number because it is at equal distance from previous prime (28794179) and next prime (28794217).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8511 + ... + 11402.

It is an arithmetic number, because the mean of its divisors is an integer number (3614391).

Almost surely, 228794198 is an apocalyptic number.

28794198 is an abundant number, since it is smaller than the sum of its proper divisors (29036058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28794198 is a wasteful number, since it uses less digits than its factorization.

28794198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20159.

The product of its digits is 290304, while the sum is 48.

The square root of 28794198 is about 5366.0225493376. The cubic root of 28794198 is about 306.5031876522.

The spelling of 28794198 in words is "twenty-eight million, seven hundred ninety-four thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 241 482 723 1446 19913 39826 59739 119478 4799033 9598066 14397099 28794198