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228112060 = 225111036873
BaseRepresentation
bin11011001100010…
…11011010111100
3120220020021220211
431212023122330
5431344041220
634345122204
75436630511
oct1546133274
9526207824
10228112060
11107843a70
1264489364
133834ab67
142241d308
151505db5a
hexd98b6bc

228112060 has 24 divisors (see below), whose sum is σ = 522584496. Its totient is φ = 82949760.

The previous prime is 228112037. The next prime is 228112061. The reversal of 228112060 is 60211822.

It is a super-2 number, since 2×2281120602 = 104070223834887200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228112061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518217 + ... + 518656.

It is an arithmetic number, because the mean of its divisors is an integer number (21774354).

Almost surely, 2228112060 is an apocalyptic number.

228112060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228112060 is an abundant number, since it is smaller than the sum of its proper divisors (294472436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228112060 is a wasteful number, since it uses less digits than its factorization.

228112060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036893 (or 1036891 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 228112060 is about 15103.3790921105. The cubic root of 228112060 is about 611.0115439133.

Adding to 228112060 its reverse (60211822), we get a palindrome (288323882).

It can be divided in two parts, 2281 and 12060, that added together give a palindrome (14341).

The spelling of 228112060 in words is "two hundred twenty-eight million, one hundred twelve thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1036873 2073746 4147492 5184365 10368730 11405603 20737460 22811206 45622412 57028015 114056030 228112060