Search a number
-
+
220320152 = 23135339971
BaseRepresentation
bin11010010000111…
…01000110011000
3120100120102102122
431020131012120
5422400221102
633510120412
75313455543
oct1510350630
9510512378
10220320152
11103401878
1261950108
1336850370
142139185a
15145200a2
hexd21d198

220320152 has 32 divisors (see below), whose sum is σ = 453282480. Its totient is φ = 99765120.

The previous prime is 220320127. The next prime is 220320167. The reversal of 220320152 is 251023022.

220320152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220320152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14474 + ... + 25497.

Almost surely, 2220320152 is an apocalyptic number.

It is an amenable number.

220320152 is an abundant number, since it is smaller than the sum of its proper divisors (232962328).

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

220320152 is a wasteful number, since it uses less digits than its factorization.

220320152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043 (or 40039 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 220320152 is about 14843.1853724192. The cubic root of 220320152 is about 603.9737646310.

Adding to 220320152 its reverse (251023022), we get a palindrome (471343174).

The spelling of 220320152 in words is "two hundred twenty million, three hundred twenty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 53 104 106 212 424 689 1378 2756 5512 39971 79942 159884 319768 519623 1039246 2078492 2118463 4156984 4236926 8473852 16947704 27540019 55080038 110160076 220320152