Base | Representation |
---|---|
bin | 101010100111110… |
… | …0100000010101010 |
3 | 10200200001210120200 |
4 | 1111033210002222 |
5 | 10412104040041 |
6 | 353524533030 |
7 | 50304005355 |
oct | 12517440252 |
9 | 3620053520 |
10 | 1430143146 |
11 | 674307793 |
12 | 33ab51176 |
13 | 19a3a3963 |
14 | d7d1b29c |
15 | 8584b1b6 |
hex | 553e40aa |
1430143146 has 24 divisors (see below), whose sum is σ = 3141093540. Its totient is φ = 470183616.
The previous prime is 1430143123. The next prime is 1430143153. The reversal of 1430143146 is 6413410341.
It can be written as a sum of positive squares in 2 ways, for example, as 1429974225 + 168921 = 37815^2 + 411^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542881 + ... + 545508.
Almost surely, 21430143146 is an apocalyptic number.
1430143146 is an abundant number, since it is smaller than the sum of its proper divisors (1710950394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1430143146 is a wasteful number, since it uses less digits than its factorization.
1430143146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1088470 (or 1088467 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 1430143146 is about 37817.2334524883. The cubic root of 1430143146 is about 1126.6607625279.
Adding to 1430143146 its reverse (6413410341), we get a palindrome (7843553487).
The spelling of 1430143146 in words is "one billion, four hundred thirty million, one hundred forty-three thousand, one hundred forty-six".
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