Search a number
-
+
227065540 = 225132114139
BaseRepresentation
bin11011000100010…
…11111011000100
3120211021010100211
431202023323010
5431112044130
634310445204
75425011442
oct1542137304
9524233324
10227065540
11107199779
1264063804
1338072710
1422229b92
1514e03a2a
hexd88bec4

227065540 has 48 divisors (see below), whose sum is σ = 516075840. Its totient is φ = 83422080.

The previous prime is 227065463. The next prime is 227065577. The reversal of 227065540 is 45560722.

227065540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52791 + ... + 56929.

It is an arithmetic number, because the mean of its divisors is an integer number (10751580).

Almost surely, 2227065540 is an apocalyptic number.

227065540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227065540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258037920).

227065540 is an abundant number, since it is smaller than the sum of its proper divisors (289010300).

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

227065540 is a wasteful number, since it uses less digits than its factorization.

227065540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372 (or 4370 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 227065540 is about 15068.6940376398. The cubic root of 227065540 is about 610.0757229297.

The spelling of 227065540 in words is "two hundred twenty-seven million, sixty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 211 260 422 844 1055 2110 2743 4139 4220 5486 8278 10972 13715 16556 20695 27430 41390 53807 54860 82780 107614 215228 269035 538070 873329 1076140 1746658 3493316 4366645 8733290 11353277 17466580 22706554 45413108 56766385 113532770 227065540