Search a number
-
+
227012620 = 22538929179
BaseRepresentation
bin11011000011111…
…11000000001100
3120211011102202211
431201333000030
5431103400440
634305400204
75424401242
oct1541770014
9524142684
10227012620
11107162a3a
1264039064
13380545c3
1422214792
1514de2eea
hexd87f00c

227012620 has 24 divisors (see below), whose sum is σ = 477968400. Its totient is φ = 90568512.

The previous prime is 227012603. The next prime is 227012623. The reversal of 227012620 is 26210722.

It is a junction number, because it is equal to n+sod(n) for n = 227012591 and 227012600.

It is not an unprimeable number, because it can be changed into a prime (227012623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6810 + ... + 22369.

It is an arithmetic number, because the mean of its divisors is an integer number (19915350).

Almost surely, 2227012620 is an apocalyptic number.

227012620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227012620 is an abundant number, since it is smaller than the sum of its proper divisors (250955780).

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

227012620 is a wasteful number, since it uses less digits than its factorization.

227012620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29577 (or 29575 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 227012620 is about 15066.9379769082. The cubic root of 227012620 is about 610.0283244037.

The spelling of 227012620 in words is "two hundred twenty-seven million, twelve thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 389 778 1556 1945 3890 7780 29179 58358 116716 145895 291790 583580 11350631 22701262 45402524 56753155 113506310 227012620