Search a number
-
+
228742675 = 5271307101
BaseRepresentation
bin11011010001001…
…01011000010011
3120221102022221221
431220211120103
5432024231200
634410425511
75445165160
oct1550453023
9527368857
10228742675
11108134837
1264732297
133850bbc5
1422545067
151513591a
hexda25613

228742675 has 12 divisors (see below), whose sum is σ = 324161296. Its totient is φ = 156852000.

The previous prime is 228742669. The next prime is 228742681. The reversal of 228742675 is 576247822.

It is an interprime number because it is at equal distance from previous prime (228742669) and next prime (228742681).

It is not a de Polignac number, because 228742675 - 225 = 195188243 is a prime.

It is a super-2 number, since 2×2287426752 = 104646422732311250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 653376 + ... + 653725.

Almost surely, 2228742675 is an apocalyptic number.

228742675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228742675 is a deficient number, since it is larger than the sum of its proper divisors (95418621).

228742675 is a wasteful number, since it uses less digits than its factorization.

228742675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307118 (or 1307113 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 228742675 is about 15124.2413032853. The cubic root of 228742675 is about 611.5740722945.

The spelling of 228742675 in words is "two hundred twenty-eight million, seven hundred forty-two thousand, six hundred seventy-five".

Divisors: 1 5 7 25 35 175 1307101 6535505 9149707 32677525 45748535 228742675