Base | Representation |
---|---|
bin | 100011110000111… |
… | …0000001011011001 |
3 | 10002122001212021022 |
4 | 1013201300023121 |
5 | 4424201433200 |
6 | 315024452225 |
7 | 41511042656 |
oct | 10741601331 |
9 | 3078055238 |
10 | 1200030425 |
11 | 566427690 |
12 | 295a7a075 |
13 | 161805299 |
14 | b553ac2d |
15 | 70544885 |
hex | 478702d9 |
1200030425 has 48 divisors (see below), whose sum is σ = 1728853632. Its totient is φ = 816614400.
The previous prime is 1200030409. The next prime is 1200030463. The reversal of 1200030425 is 5240300021.
It is not a de Polignac number, because 1200030425 - 24 = 1200030409 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 920324 + ... + 921626.
It is an arithmetic number, because the mean of its divisors is an integer number (36017784).
Almost surely, 21200030425 is an apocalyptic number.
It is an amenable number.
1200030425 is a deficient number, since it is larger than the sum of its proper divisors (528823207).
1200030425 is a wasteful number, since it uses less digits than its factorization.
1200030425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1538 (or 1533 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 1200030425 is about 34641.4552956425. The cubic root of 1200030425 is about 1062.6675500475.
Adding to 1200030425 its reverse (5240300021), we get a palindrome (6440330446).
The spelling of 1200030425 in words is "one billion, two hundred million, thirty thousand, four hundred twenty-five".
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