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230228386 = 2115114193
BaseRepresentation
bin11011011100100…
…00000110100010
3121001012210222021
431232100012202
5432414302021
634502332054
75463623533
oct1556200642
9531183867
10230228386
11108a59aa3
126512a02a
133890c21b
142281068a
151532ac41
hexdb901a2

230228386 has 4 divisors (see below), whose sum is σ = 345342582. Its totient is φ = 115114192.

The previous prime is 230228293. The next prime is 230228387. The reversal of 230228386 is 683822032.

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

It can be written as a sum of positive squares in only one way, i.e., 129527161 + 100701225 = 11381^2 + 10035^2 .

It is not an unprimeable number, because it can be changed into a prime (230228387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57557095 + ... + 57557098.

Almost surely, 2230228386 is an apocalyptic number.

230228386 is a deficient number, since it is larger than the sum of its proper divisors (115114196).

230228386 is a wasteful number, since it uses less digits than its factorization.

230228386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115114195.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 230228386 is about 15173.2786832642. The cubic root of 230228386 is about 612.8952981230.

The spelling of 230228386 in words is "two hundred thirty million, two hundred twenty-eight thousand, three hundred eighty-six".

Divisors: 1 2 115114193 230228386