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28868362 = 237390113
BaseRepresentation
bin110111000011…
…1111100001010
32000022122221121
41232013330022
524342241422
62510425454
7500243215
oct156077412
960278847
1028868362
1115328256
12980228a
135c99b93
143b9677c
1528038c7
hex1b87f0a

28868362 has 8 divisors (see below), whose sum is σ = 44472996. Its totient is φ = 14044032.

The previous prime is 28868341. The next prime is 28868377. The reversal of 28868362 is 26386882.

It can be written as a sum of positive squares in 2 ways, for example, as 24710841 + 4157521 = 4971^2 + 2039^2 .

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, 194983 + ... + 195130.

Almost surely, 228868362 is an apocalyptic number.

28868362 is a deficient number, since it is larger than the sum of its proper divisors (15604634).

28868362 is a wasteful number, since it uses less digits than its factorization.

28868362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390152.

The product of its digits is 221184, while the sum is 43.

The square root of 28868362 is about 5372.9286241304. The cubic root of 28868362 is about 306.7661111539.

The spelling of 28868362 in words is "twenty-eight million, eight hundred sixty-eight thousand, three hundred sixty-two".

Divisors: 1 2 37 74 390113 780226 14434181 28868362