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228058223 = 478347681
BaseRepresentation
bin11011001011111…
…10010001101111
3120220010120001212
431211332101233
5431340330343
634344025035
75436314531
oct1545762157
9526116055
10228058223
11107807578
126446217b
133832c4c3
1422407851
151504cc18
hexd97e46f

228058223 has 4 divisors (see below), whose sum is σ = 228110688. Its totient is φ = 228005760.

The previous prime is 228058189. The next prime is 228058249. The reversal of 228058223 is 322850822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228058223 - 28 = 228057967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228058223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228058253) 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, 19058 + ... + 28623.

It is an arithmetic number, because the mean of its divisors is an integer number (57027672).

Almost surely, 2228058223 is an apocalyptic number.

228058223 is a deficient number, since it is larger than the sum of its proper divisors (52465).

228058223 is an equidigital number, since it uses as much as digits as its factorization.

228058223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52464.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 228058223 is about 15101.5967036602. The cubic root of 228058223 is about 610.9634716095.

The spelling of 228058223 in words is "two hundred twenty-eight million, fifty-eight thousand, two hundred twenty-three".

Divisors: 1 4783 47681 228058223