Base | Representation |
---|---|
bin | 100101000111000… |
… | …1011110101000100 |
3 | 10012210010100210110 |
4 | 1022032023311010 |
5 | 10022234414302 |
6 | 323321353020 |
7 | 42600205212 |
oct | 11216136504 |
9 | 3183110713 |
10 | 1245232452 |
11 | 5899a0632 |
12 | 2a9038770 |
13 | 16aca0849 |
14 | bb545cb2 |
15 | 744c2b6c |
hex | 4a38bd44 |
1245232452 has 12 divisors (see below), whose sum is σ = 2905542416. Its totient is φ = 415077480.
The previous prime is 1245232451. The next prime is 1245232501. The reversal of 1245232452 is 2542325421.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (1245232451) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51884674 + ... + 51884697.
Almost surely, 21245232452 is an apocalyptic number.
1245232452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1245232452 is an abundant number, since it is smaller than the sum of its proper divisors (1660309964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1245232452 is a wasteful number, since it uses less digits than its factorization.
1245232452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103769378 (or 103769376 counting only the distinct ones).
The product of its digits is 19200, while the sum is 30.
The square root of 1245232452 is about 35287.8513372520. The cubic root of 1245232452 is about 1075.8460840819.
Adding to 1245232452 its reverse (2542325421), we get a palindrome (3787557873).
The spelling of 1245232452 in words is "one billion, two hundred forty-five million, two hundred thirty-two thousand, four hundred fifty-two".
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