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220760242 = 2578319087
BaseRepresentation
bin11010010100010…
…00100010110010
3120101101210010021
431022020202302
5423003311432
633523354054
75320300603
oct1512104262
9511353107
10220760242
1110368248a
1261b2292a
1336975781
1421467daa
15145aa697
hexd2888b2

220760242 has 8 divisors (see below), whose sum is σ = 331214976. Its totient is φ = 110355252.

The previous prime is 220760203. The next prime is 220760251. The reversal of 220760242 is 242067022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023 + ... + 21109.

It is an arithmetic number, because the mean of its divisors is an integer number (41401872).

Almost surely, 2220760242 is an apocalyptic number.

220760242 is a deficient number, since it is larger than the sum of its proper divisors (110454734).

220760242 is a wasteful number, since it uses less digits than its factorization.

220760242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24872.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 220760242 is about 14858.0026248483. The cubic root of 220760242 is about 604.3756434835.

The spelling of 220760242 in words is "two hundred twenty million, seven hundred sixty thousand, two hundred forty-two".

Divisors: 1 2 5783 11566 19087 38174 110380121 220760242