Base | Representation |
---|---|
bin | 11100111001010… |
… | …01010011110110 |
3 | 121220002200221010 |
4 | 32130221103312 |
5 | 444022442022 |
6 | 40015133050 |
7 | 6002166102 |
oct | 1634512366 |
9 | 556080833 |
10 | 242390262 |
11 | 114906434 |
12 | 69214186 |
13 | 3b2a9aba |
14 | 24298902 |
15 | 1642e50c |
hex | e7294f6 |
242390262 has 8 divisors (see below), whose sum is σ = 484780536. Its totient is φ = 80796752.
The previous prime is 242390227. The next prime is 242390263. The reversal of 242390262 is 262093242.
It is a sphenic number, since it is the product of 3 distinct primes.
242390262 is an admirable number.
It is a super-2 number, since 2×2423902622 = 117506078224857288, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242390263) 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, 20199183 + ... + 20199194.
It is an arithmetic number, because the mean of its divisors is an integer number (60597567).
Almost surely, 2242390262 is an apocalyptic number.
242390262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242390262 is a wasteful number, since it uses less digits than its factorization.
242390262 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40398382.
The product of its (nonzero) digits is 10368, while the sum is 30.
The square root of 242390262 is about 15568.8876288578. The cubic root of 242390262 is about 623.5027730692.
The spelling of 242390262 in words is "two hundred forty-two million, three hundred ninety thousand, two hundred sixty-two".
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