[go: up one dir, main page]

Search a number
-
+
228119 = 1491531
BaseRepresentation
bin110111101100010111
3102120220212
4313230113
524244434
64520035
71640033
oct675427
9376825
10228119
11146431
12b001b
137caa8
145d1c3
15478ce
hex37b17

228119 has 4 divisors (see below), whose sum is σ = 229800. Its totient is φ = 226440.

The previous prime is 228113. The next prime is 228127. The reversal of 228119 is 911822.

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 228119 - 24 = 228103 is a prime.

It is a super-2 number, since 2×2281192 = 104076556322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 228094 and 228103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228113) 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, 617 + ... + 914.

It is an arithmetic number, because the mean of its divisors is an integer number (57450).

2228119 is an apocalyptic number.

228119 is a deficient number, since it is larger than the sum of its proper divisors (1681).

228119 is a wasteful number, since it uses less digits than its factorization.

228119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its digits is 288, while the sum is 23.

The square root of 228119 is about 477.6180482352. The cubic root of 228119 is about 61.1017740250.

The spelling of 228119 in words is "two hundred twenty-eight thousand, one hundred nineteen".

Divisors: 1 149 1531 228119