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220200042 = 23277132491
BaseRepresentation
bin11010001111111…
…11110001101010
3120100100022200010
431013333301222
5422332400132
633503352350
75312445426
oct1507776152
9510308603
10220200042
1110332a607
12618b26b6
133680a7aa
142135db86
15144e96cc
hexd1ffc6a

220200042 has 16 divisors (see below), whose sum is σ = 441993312. Its totient is φ = 73134480.

The previous prime is 220200011. The next prime is 220200059. The reversal of 220200042 is 240002022.

It is a happy 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, 64584 + ... + 67907.

It is an arithmetic number, because the mean of its divisors is an integer number (27624582).

Almost surely, 2220200042 is an apocalyptic number.

220200042 is an abundant number, since it is smaller than the sum of its proper divisors (221793270).

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

220200042 is a wasteful number, since it uses less digits than its factorization.

220200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132773.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 220200042 is about 14839.1388564162. The cubic root of 220200042 is about 603.8639903248.

Adding to 220200042 its reverse (240002022), we get a palindrome (460202064).

The spelling of 220200042 in words is "two hundred twenty million, two hundred thousand, forty-two".

Divisors: 1 2 3 6 277 554 831 1662 132491 264982 397473 794946 36700007 73400014 110100021 220200042