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227276020 = 22547241783
BaseRepresentation
bin11011000101111…
…11010011110100
3120211122211002101
431202333103310
5431140313040
634315151444
75426546206
oct1542772364
9524584071
10227276020
11107322924
1264145584
133811746a
1422282776
1514e4609a
hexd8bf4f4

227276020 has 24 divisors (see below), whose sum is σ = 487436544. Its totient is φ = 88975776.

The previous prime is 227276017. The next prime is 227276069. The reversal of 227276020 is 20672722.

It is a self number, because there is not a number n which added to its sum of digits gives 227276020.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 119952 + ... + 121831.

It is an arithmetic number, because the mean of its divisors is an integer number (20309856).

Almost surely, 2227276020 is an apocalyptic number.

227276020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227276020 is an abundant number, since it is smaller than the sum of its proper divisors (260160524).

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

227276020 is a wasteful number, since it uses less digits than its factorization.

227276020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241839 (or 241837 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 227276020 is about 15075.6764359016. The cubic root of 227276020 is about 610.2641693758.

The spelling of 227276020 in words is "two hundred twenty-seven million, two hundred seventy-six thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 241783 483566 967132 1208915 2417830 4835660 11363801 22727602 45455204 56819005 113638010 227276020