Base | Representation |
---|---|
bin | 100100111111011… |
… | …1000110100011110 |
3 | 10012111120122002010 |
4 | 1021332320310132 |
5 | 10020223104210 |
6 | 323055412050 |
7 | 42521134200 |
oct | 11176706436 |
9 | 3174518063 |
10 | 1241222430 |
11 | 587701868 |
12 | 2a7824026 |
13 | 16a1c8556 |
14 | babc0770 |
15 | 73e7e920 |
hex | 49fb8d1e |
1241222430 has 48 divisors (see below), whose sum is σ = 3465294480. Its totient is φ = 283707648.
The previous prime is 1241222429. The next prime is 1241222447. The reversal of 1241222430 is 342221421.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 1241222397 and 1241222406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420715 + ... + 423654.
It is an arithmetic number, because the mean of its divisors is an integer number (72193635).
Almost surely, 21241222430 is an apocalyptic number.
1241222430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1241222430 is an abundant number, since it is smaller than the sum of its proper divisors (2224072050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1241222430 is a wasteful number, since it uses less digits than its factorization.
1241222430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 844393 (or 844386 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 1241222430 is about 35230.9867872020. The cubic root of 1241222430 is about 1074.6899931765.
Adding to 1241222430 its reverse (342221421), we get a palindrome (1583443851).
The spelling of 1241222430 in words is "one billion, two hundred forty-one million, two hundred twenty-two thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •