Search a number
-
+
227980044 = 223222692791
BaseRepresentation
bin11011001011010…
…11001100001100
3120212222120211100
431211223030030
5431330330134
634342223100
75435540565
oct1545531414
9525876740
10227980044
11107763866
1264424a90
1338302a46
14223c716c
1515034999
hexd96b30c

227980044 has 36 divisors (see below), whose sum is σ = 576743440. Its totient is φ = 75932640.

The previous prime is 227980043. The next prime is 227980057. The reversal of 227980044 is 440089722.

227980044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 227979990 and 227980008.

It is not an unprimeable number, because it can be changed into a prime (227980043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80289 + ... + 83079.

Almost surely, 2227980044 is an apocalyptic number.

It is an amenable number.

227980044 is an abundant number, since it is smaller than the sum of its proper divisors (348763396).

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

227980044 is a wasteful number, since it uses less digits than its factorization.

227980044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070 (or 5065 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 227980044 is about 15099.0080468884. The cubic root of 227980044 is about 610.8936502987.

The spelling of 227980044 in words is "two hundred twenty-seven million, nine hundred eighty thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 2269 2791 4538 5582 6807 8373 9076 11164 13614 16746 20421 25119 27228 33492 40842 50238 81684 100476 6332779 12665558 18998337 25331116 37996674 56995011 75993348 113990022 227980044