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228588045 = 3576189401
BaseRepresentation
bin11011001111111…
…11101000001101
3120221010110211220
431213333220031
5432004304140
634403233553
75443652310
oct1547775015
9527113756
10228588045
11108039644
12646788b9
13384866ca
1422504977
1515104bd0
hexd9ffa0d

228588045 has 64 divisors (see below), whose sum is σ = 430686720. Its totient is φ = 101376000.

The previous prime is 228588023. The next prime is 228588047. The reversal of 228588045 is 540885822.

It is not a de Polignac number, because 228588045 - 25 = 228588013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228587988 and 228588006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228588047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 569845 + ... + 570245.

It is an arithmetic number, because the mean of its divisors is an integer number (6729480).

Almost surely, 2228588045 is an apocalyptic number.

It is an amenable number.

228588045 is a deficient number, since it is larger than the sum of its proper divisors (202098675).

228588045 is a wasteful number, since it uses less digits than its factorization.

228588045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566.

The product of its (nonzero) digits is 204800, while the sum is 42.

The square root of 228588045 is about 15119.1284471030. The cubic root of 228588045 is about 611.4362332489.

It can be divided in two parts, 22858 and 8045, that added together give a palindrome (30903).

The spelling of 228588045 in words is "two hundred twenty-eight million, five hundred eighty-eight thousand, forty-five".

Divisors: 1 3 5 7 15 21 35 61 89 105 183 267 305 401 427 445 623 915 1203 1281 1335 1869 2005 2135 2807 3115 5429 6015 6405 8421 9345 14035 16287 24461 27145 35689 38003 42105 73383 81435 107067 114009 122305 171227 178445 190015 249823 366915 513681 535335 570045 749469 856135 1249115 2177029 2568405 3747345 6531087 10885145 15239203 32655435 45717609 76196015 228588045