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1230228058 = 2615114029
BaseRepresentation
bin100100101010011…
…1100101001011010
310011201220001122011
41021110330221122
510004414244213
6322024020134
742325523503
oct11124745132
93151801564
101230228058
11581482604
122a400164a
13167b491c7
14b955bbaa
157300c03d
hex4953ca5a

1230228058 has 4 divisors (see below), whose sum is σ = 1845342090. Its totient is φ = 615114028.

The previous prime is 1230228029. The next prime is 1230228091. The reversal of 1230228058 is 8508220321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8508220321 = 67126988363.

It can be written as a sum of positive squares in only one way, i.e., 788093329 + 442134729 = 28073^2 + 21027^2 .

It is a super-3 number, since 3×12302280583 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307557013 + ... + 307557016.

Almost surely, 21230228058 is an apocalyptic number.

1230228058 is a deficient number, since it is larger than the sum of its proper divisors (615114032).

1230228058 is an equidigital number, since it uses as much as digits as its factorization.

1230228058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615114031.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1230228058 is about 35074.6070255962. The cubic root of 1230228058 is about 1071.5074853148.

Adding to 1230228058 its reverse (8508220321), we get a palindrome (9738448379).

The spelling of 1230228058 in words is "one billion, two hundred thirty million, two hundred twenty-eight thousand, fifty-eight".

Divisors: 1 2 615114029 1230228058