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28227058 = 253266293
BaseRepresentation
bin110101110101…
…1010111110010
31222010002020121
41223223113302
524211231213
62445000454
7461632426
oct153532762
958102217
1028227058
1114a2a452
12955312a
135b04002
143a6ab86
15272888d
hex1aeb5f2

28227058 has 8 divisors (see below), whose sum is σ = 43139628. Its totient is φ = 13847184.

The previous prime is 28227053. The next prime is 28227077. The reversal of 28227058 is 85072282.

It can be written as a sum of positive squares in 2 ways, for example, as 27910089 + 316969 = 5283^2 + 563^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28227053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133041 + ... + 133252.

Almost surely, 228227058 is an apocalyptic number.

28227058 is a deficient number, since it is larger than the sum of its proper divisors (14912570).

28227058 is a wasteful number, since it uses less digits than its factorization.

28227058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266348.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 28227058 is about 5312.9142662008. The cubic root of 28227058 is about 304.4775001058.

The spelling of 28227058 in words is "twenty-eight million, two hundred twenty-seven thousand, fifty-eight".

Divisors: 1 2 53 106 266293 532586 14113529 28227058