Base | Representation |
---|---|
bin | 100100101101110… |
… | …1110010000110000 |
3 | 10011212020021222010 |
4 | 1021123232100300 |
5 | 10010343113034 |
6 | 322130042520 |
7 | 42346601550 |
oct | 11133562060 |
9 | 3155207863 |
10 | 1232004144 |
11 | 582485a48 |
12 | 2a4719440 |
13 | 16831b747 |
14 | b98a1160 |
15 | 7325d3e9 |
hex | 496ee430 |
1232004144 has 80 divisors (see below), whose sum is σ = 3851324928. Its totient is φ = 331293696.
The previous prime is 1232004119. The next prime is 1232004149. The reversal of 1232004144 is 4414002321.
It is a Harshad number since it is a multiple of its sum of digits (21).
1232004144 is a modest number, since divided by 4144 gives 1232 as remainder.
It is a self number, because there is not a number n which added to its sum of digits gives 1232004144.
It is not an unprimeable number, because it can be changed into a prime (1232004149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102132 + ... + 113555.
Almost surely, 21232004144 is an apocalyptic number.
1232004144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1232004144 is an abundant number, since it is smaller than the sum of its proper divisors (2619320784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232004144 is a wasteful number, since it uses less digits than its factorization.
1232004144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215722 (or 215716 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 1232004144 is about 35099.9165810975. The cubic root of 1232004144 is about 1072.0228841554.
Adding to 1232004144 its reverse (4414002321), we get a palindrome (5646006465).
The spelling of 1232004144 in words is "one billion, two hundred thirty-two million, four thousand, one hundred forty-four".
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