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28798914 = 2329165511
BaseRepresentation
bin110110111011…
…0111111000010
32000012010200110
41231312333002
524333031124
62505132150
7466533564
oct155667702
960163613
1028798914
1115290061
12978a056
135c743a1
143b79334
1527dd029
hex1b76fc2

28798914 has 16 divisors (see below), whose sum is σ = 59584320. Its totient is φ = 9268560.

The previous prime is 28798883. The next prime is 28798937. The reversal of 28798914 is 41989782.

It is a Curzon 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, 82582 + ... + 82929.

It is an arithmetic number, because the mean of its divisors is an integer number (3724020).

Almost surely, 228798914 is an apocalyptic number.

28798914 is an abundant number, since it is smaller than the sum of its proper divisors (30785406).

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

28798914 is a wasteful number, since it uses less digits than its factorization.

28798914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165545.

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

The square root of 28798914 is about 5366.4619629696. The cubic root of 28798914 is about 306.5199200755.

The spelling of 28798914 in words is "twenty-eight million, seven hundred ninety-eight thousand, nine hundred fourteen".

Divisors: 1 2 3 6 29 58 87 174 165511 331022 496533 993066 4799819 9599638 14399457 28798914