Cookie Consent by FreePrivacyPolicy.com
Search a number
-
+
228023037 = 32112303263
BaseRepresentation
bin11011001011101…
…01101011111101
3120220001202210200
431211311223331
5431333214122
634343154113
75436110124
oct1545655375
9526052720
10228023037
111077930a0
1264445939
1338319498
14223d8abb
15150425ac
hexd975afd

228023037 has 12 divisors (see below), whose sum is σ = 359309184. Its totient is φ = 138195720.

The previous prime is 228023021. The next prime is 228023051. The reversal of 228023037 is 730320822.

It is not a de Polignac number, because 228023037 - 24 = 228023021 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 228023037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228023077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1151533 + ... + 1151730.

It is an arithmetic number, because the mean of its divisors is an integer number (29942432).

Almost surely, 2228023037 is an apocalyptic number.

It is an amenable number.

228023037 is a deficient number, since it is larger than the sum of its proper divisors (131286147).

228023037 is a wasteful number, since it uses less digits than its factorization.

228023037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303280 (or 2303277 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 228023037 is about 15100.4316825712. The cubic root of 228023037 is about 610.9320491273.

Adding to 228023037 its reverse (730320822), we get a palindrome (958343859).

The spelling of 228023037 in words is "two hundred twenty-eight million, twenty-three thousand, thirty-seven".

Divisors: 1 3 9 11 33 99 2303263 6909789 20729367 25335893 76007679 228023037