Search a number
-
+
228317411 = 7213135569
BaseRepresentation
bin11011001101111…
…01100011100011
3120220121201121102
431212331203203
5431422124121
634353345015
75441444300
oct1546754343
9526551542
10228317411
11107974283
126456816b
13383c047a
14224740a7
151509e90b
hexd9bd8e3

228317411 has 12 divisors (see below), whose sum is σ = 267628680. Its totient is φ = 194201280.

The previous prime is 228317393. The next prime is 228317413. The reversal of 228317411 is 114713822.

It is not a de Polignac number, because 228317411 - 214 = 228301027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228317413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11366 + ... + 24203.

It is an arithmetic number, because the mean of its divisors is an integer number (22302390).

Almost surely, 2228317411 is an apocalyptic number.

228317411 is a deficient number, since it is larger than the sum of its proper divisors (39311269).

228317411 is a wasteful number, since it uses less digits than its factorization.

228317411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35714 (or 35707 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 228317411 is about 15110.1757435180. The cubic root of 228317411 is about 611.1948371590.

The spelling of 228317411 in words is "two hundred twenty-eight million, three hundred seventeen thousand, four hundred eleven".

Divisors: 1 7 49 131 917 6419 35569 248983 1742881 4659539 32616773 228317411