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220434352 = 2419725113
BaseRepresentation
bin11010010001110…
…00111110110000
3120100210020002021
431020320332300
5422412344402
633512401224
75314442515
oct1510707660
9510706067
10220434352
1110347a656
12619a6214
1336890338
14213c130c
1514543d37
hexd238fb0

220434352 has 20 divisors (see below), whose sum is σ = 449570680. Its totient is φ = 104416128.

The previous prime is 220434341. The next prime is 220434353. The reversal of 220434352 is 253434022.

220434352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×2204343524 (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (220434353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362253 + ... + 362860.

It is an arithmetic number, because the mean of its divisors is an integer number (22478534).

Almost surely, 2220434352 is an apocalyptic number.

It is an amenable number.

220434352 is an abundant number, since it is smaller than the sum of its proper divisors (229136328).

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

220434352 is a wasteful number, since it uses less digits than its factorization.

220434352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725140 (or 725134 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 220434352 is about 14847.0317572234. The cubic root of 220434352 is about 604.0781005099.

Adding to 220434352 its reverse (253434022), we get a palindrome (473868374).

The spelling of 220434352 in words is "two hundred twenty million, four hundred thirty-four thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 725113 1450226 2900452 5800904 11601808 13777147 27554294 55108588 110217176 220434352