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220434342 = 23172161121
BaseRepresentation
bin11010010001110…
…00111110100110
3120100210020001220
431020320332212
5422412344332
633512401210
75314442502
oct1510707646
9510706056
10220434342
1110347a647
12619a6206
133689032b
14213c1302
1514543d2c
hexd238fa6

220434342 has 16 divisors (see below), whose sum is σ = 466802352. Its totient is φ = 69155840.

The previous prime is 220434341. The next prime is 220434353. The reversal of 220434342 is 243434022.

It is a super-4 number, since 4×2204343424 (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220434341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080459 + ... + 1080662.

It is an arithmetic number, because the mean of its divisors is an integer number (29175147).

Almost surely, 2220434342 is an apocalyptic number.

220434342 is an abundant number, since it is smaller than the sum of its proper divisors (246368010).

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

220434342 is a wasteful number, since it uses less digits than its factorization.

220434342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161143.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 220434342 is about 14847.0314204557. The cubic root of 220434342 is about 604.0780913753.

Adding to 220434342 its reverse (243434022), we get a palindrome (463868364).

The spelling of 220434342 in words is "two hundred twenty million, four hundred thirty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 2161121 4322242 6483363 12966726 36739057 73478114 110217171 220434342