Search a number
-
+
227376828 = 22337673
BaseRepresentation
bin11011000110101…
…11111010111100
3120211211221101000
431203113322330
5431202024303
634321250300
75430446130
oct1543277274
9524757330
10227376828
11107391638
1264193990
1338151303
14222ab3c0
1514e65da3
hexd8d7ebc

227376828 has 96 divisors (see below), whose sum is σ = 683916800. Its totient is φ = 63995184.

The previous prime is 227376811. The next prime is 227376833. The reversal of 227376828 is 828673722.

It is a super-2 number, since 2×2273768282 = 103400443822683168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3393651 + ... + 3393717.

Almost surely, 2227376828 is an apocalyptic number.

227376828 is a gapful number since it is divisible by the number (28) 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 227376828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341958400).

227376828 is an abundant number, since it is smaller than the sum of its proper divisors (456539972).

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

227376828 is an frugal number, since it uses more digits than its factorization.

227376828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 79 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 227376828 is about 15079.0194641429. The cubic root of 227376828 is about 610.3543833470.

The spelling of 227376828 in words is "two hundred twenty-seven million, three hundred seventy-six thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 67 84 108 126 134 189 201 252 268 378 402 469 603 756 804 938 1206 1407 1809 1876 2412 2814 3618 4221 4489 5628 7236 8442 8978 12663 13467 16884 17956 25326 26934 31423 40401 50652 53868 62846 80802 94269 121203 125692 161604 188538 242406 282807 300763 377076 484812 565614 601526 848421 902289 1131228 1203052 1696842 1804578 2105341 2706867 3393684 3609156 4210682 5413734 6316023 8120601 8421364 10827468 12632046 16241202 18948069 25264092 32482404 37896138 56844207 75792276 113688414 227376828