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220132052 = 227167179263
BaseRepresentation
bin11010001111011…
…11001011010100
3120100012212101222
431013233023110
5422323211202
633502105512
75312043260
oct1507571324
9510185358
10220132052
11103293518
126187b298
13367b586a
14213430a0
15144d44a2
hexd1ef2d4

220132052 has 48 divisors (see below), whose sum is σ = 447068160. Its totient is φ = 92898912.

The previous prime is 220132039. The next prime is 220132061. The reversal of 220132052 is 250231022.

It is a self number, because there is not a number n which added to its sum of digits gives 220132052.

It is a congruent number.

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, 836873 + ... + 837135.

It is an arithmetic number, because the mean of its divisors is an integer number (9313920).

Almost surely, 2220132052 is an apocalyptic number.

It is an amenable number.

220132052 is an abundant number, since it is smaller than the sum of its proper divisors (226936108).

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

220132052 is a wasteful number, since it uses less digits than its factorization.

220132052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 618 counting only the distinct ones).

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

The square root of 220132052 is about 14836.8477784198. The cubic root of 220132052 is about 603.8018332990.

Adding to 220132052 its reverse (250231022), we get a palindrome (470363074).

The spelling of 220132052 in words is "two hundred twenty million, one hundred thirty-two thousand, fifty-two".

Divisors: 1 2 4 7 14 28 167 179 263 334 358 526 668 716 1052 1169 1253 1841 2338 2506 3682 4676 5012 7364 29893 43921 47077 59786 87842 94154 119572 175684 188308 209251 307447 329539 418502 614894 659078 837004 1229788 1318156 7861859 15723718 31447436 55033013 110066026 220132052