Search a number
-
+
222831350 = 2527798059
BaseRepresentation
bin11010100100000…
…10001011110110
3120112022000010222
431102002023312
5424021100400
634040014342
75344015040
oct1522021366
9515260128
10222831350
11104867545
12627613b2
133721c391
1421846a90
1514869185
hexd4822f6

222831350 has 48 divisors (see below), whose sum is σ = 479731200. Its totient is φ = 75422880.

The previous prime is 222831313. The next prime is 222831391. The reversal of 222831350 is 53138222.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 23621 + ... + 31679.

It is an arithmetic number, because the mean of its divisors is an integer number (9994400).

Almost surely, 2222831350 is an apocalyptic number.

222831350 is an abundant number, since it is smaller than the sum of its proper divisors (256899850).

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

222831350 is a wasteful number, since it uses less digits than its factorization.

222831350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157 (or 8152 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 222831350 is about 14927.5366353595. The cubic root of 222831350 is about 606.2597886966.

Adding to 222831350 its reverse (53138222), we get a palindrome (275969572).

The spelling of 222831350 in words is "two hundred twenty-two million, eight hundred thirty-one thousand, three hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 79 158 175 350 395 553 790 1106 1975 2765 3950 5530 8059 13825 16118 27650 40295 56413 80590 112826 201475 282065 402950 564130 636661 1273322 1410325 2820650 3183305 4456627 6366610 8913254 15916525 22283135 31833050 44566270 111415675 222831350