| Base | Representation |
|---|---|
| bin | 11100110110101… |
| … | …10100010010100 |
| 3 | 121212110110212000 |
| 4 | 32123112202110 |
| 5 | 443431114340 |
| 6 | 40003555300 |
| 7 | 5666254455 |
| oct | 1633264224 |
| 9 | 555413760 |
| 10 | 242051220 |
| 11 | 1146a4734 |
| 12 | 6908bb30 |
| 13 | 3b1bb698 |
| 14 | 2420b12c |
| 15 | 163b3d30 |
| hex | e6d6894 |
242051220 has 96 divisors (see below), whose sum is σ = 757693440. Its totient is φ = 64149120.
The previous prime is 242051207. The next prime is 242051221. The reversal of 242051220 is 22150242.
242051220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 242051193 and 242051202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242051221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92125 + ... + 94715.
It is an arithmetic number, because the mean of its divisors is an integer number (7892640).
Almost surely, 2242051220 is an apocalyptic number.
242051220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 242051220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378846720).
242051220 is an abundant number, since it is smaller than the sum of its proper divisors (515642220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242051220 is a wasteful number, since it uses less digits than its factorization.
242051220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2782 (or 2774 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 18.
The square root of 242051220 is about 15557.9953721551. The cubic root of 242051220 is about 623.2119304366.
It can be divided in two parts, 24205 and 1220, that added together give a triangular number (25425 = T225).
The spelling of 242051220 in words is "two hundred forty-two million, fifty-one thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •