Base | Representation |
---|---|
bin | 1000010111001… |
… | …00110010011100 |
3 | 11212222122021210 |
4 | 10023210302130 |
5 | 120424040012 |
6 | 10543224420 |
7 | 1511130633 |
oct | 413446234 |
9 | 155878253 |
10 | 70143132 |
11 | 36659634 |
12 | 1b5a8110 |
13 | 116bba17 |
14 | 945c51a |
15 | 625823c |
hex | 42e4c9c |
70143132 has 24 divisors (see below), whose sum is σ = 163845136. Its totient is φ = 23355648.
The previous prime is 70143127. The next prime is 70143163. The reversal of 70143132 is 23134107.
It is a junction number, because it is equal to n+sod(n) for n = 70143099 and 70143108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10788 + ... + 16020.
Almost surely, 270143132 is an apocalyptic number.
It is an amenable number.
70143132 is an abundant number, since it is smaller than the sum of its proper divisors (93702004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70143132 is a wasteful number, since it uses less digits than its factorization.
70143132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6357 (or 6355 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 70143132 is about 8375.1496703044. The cubic root of 70143132 is about 412.4092376986.
Adding to 70143132 its reverse (23134107), we get a palindrome (93277239).
The spelling of 70143132 in words is "seventy million, one hundred forty-three thousand, one hundred thirty-two".
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