Base | Representation |
---|---|
bin | 101010101010001… |
… | …1011111110110100 |
3 | 10200202110201021010 |
4 | 1111110123332310 |
5 | 10412420431402 |
6 | 354012152220 |
7 | 50320606431 |
oct | 12524337664 |
9 | 3622421233 |
10 | 1431420852 |
11 | 674aaa744 |
12 | 33b468670 |
13 | 19a7303b4 |
14 | d8170b88 |
15 | 859eea6c |
hex | 5551bfb4 |
1431420852 has 24 divisors (see below), whose sum is σ = 3374417536. Its totient is φ = 472220928.
The previous prime is 1431420827. The next prime is 1431420853. The reversal of 1431420852 is 2580241341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431420853) 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, 613708 + ... + 616035.
Almost surely, 21431420852 is an apocalyptic number.
1431420852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1431420852 is an abundant number, since it is smaller than the sum of its proper divisors (1942996684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1431420852 is a wasteful number, since it uses less digits than its factorization.
1431420852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1229847 (or 1229845 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 1431420852 is about 37834.1228522613. The cubic root of 1431420852 is about 1126.9961864637.
The spelling of 1431420852 in words is "one billion, four hundred thirty-one million, four hundred twenty thousand, eight hundred fifty-two".
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