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242244661 = 1937344587
BaseRepresentation
bin11100111000001…
…01110000110101
3121212211022012111
432130011300311
5444003312121
640012051021
76001021441
oct1634056065
9555738174
10242244661
11114816aaa
1269163a71
133b258749
142425b821
15164012e1
hexe705c35

242244661 has 8 divisors (see below), whose sum is σ = 261886880. Its totient is φ = 223291728.

The previous prime is 242244659. The next prime is 242244701. The reversal of 242244661 is 166442242.

It is a happy number.

242244661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 242244661 - 21 = 242244659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242244631) 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, 171591 + ... + 172996.

It is an arithmetic number, because the mean of its divisors is an integer number (32735860).

Almost surely, 2242244661 is an apocalyptic number.

It is an amenable number.

242244661 is a deficient number, since it is larger than the sum of its proper divisors (19642219).

242244661 is a wasteful number, since it uses less digits than its factorization.

242244661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344643.

The product of its digits is 18432, while the sum is 31.

The square root of 242244661 is about 15564.2109019378. The cubic root of 242244661 is about 623.3779044517.

The spelling of 242244661 in words is "two hundred forty-two million, two hundred forty-four thousand, six hundred sixty-one".

Divisors: 1 19 37 703 344587 6547153 12749719 242244661