Base | Representation |
---|---|
bin | 100100101110100… |
… | …1111001001101000 |
3 | 10011212222110100111 |
4 | 1021131033021220 |
5 | 10010443313000 |
6 | 322142344104 |
7 | 42353143555 |
oct | 11135171150 |
9 | 3155873314 |
10 | 1232401000 |
11 | 582727126 |
12 | 2a488b034 |
13 | 16842a27c |
14 | b9965a2c |
15 | 732dacba |
hex | 4974f268 |
1232401000 has 32 divisors (see below), whose sum is σ = 2883820680. Its totient is φ = 492960000.
The previous prime is 1232400991. The next prime is 1232401003. The reversal of 1232401000 is 1042321.
It can be written as a sum of positive squares in 4 ways, for example, as 302272996 + 930128004 = 17386^2 + 30498^2 .
It is not an unprimeable number, because it can be changed into a prime (1232401003) 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, 615201 + ... + 617200.
Almost surely, 21232401000 is an apocalyptic number.
1232401000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1232401000 is an abundant number, since it is smaller than the sum of its proper divisors (1651419680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232401000 is a wasteful number, since it uses less digits than its factorization.
1232401000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1232422 (or 1232408 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 1232401000 is about 35105.5693587214. The cubic root of 1232401000 is about 1072.1379792880.
Adding to 1232401000 its reverse (1042321), we get a palindrome (1233443321).
The spelling of 1232401000 in words is "one billion, two hundred thirty-two million, four hundred one thousand".
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