Base | Representation |
---|---|
bin | 11110100001010… |
… | …010010111000000 |
3 | 1022200111110011112 |
4 | 132201102113000 |
5 | 2022040324212 |
6 | 122450502452 |
7 | 15455201036 |
oct | 3641222700 |
9 | 1280443145 |
10 | 512042432 |
11 | 243042070 |
12 | 123594a28 |
13 | 821104b5 |
14 | 4c00c556 |
15 | 2ee46422 |
hex | 1e8525c0 |
512042432 has 56 divisors (see below), whose sum is σ = 1116756720. Its totient is φ = 231004160.
The previous prime is 512042413. The next prime is 512042449. The reversal of 512042432 is 234240215.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 512042398 and 512042407.
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, 93794 + ... + 99102.
Almost surely, 2512042432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 512042432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558378360).
512042432 is an abundant number, since it is smaller than the sum of its proper divisors (604714288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512042432 is a wasteful number, since it uses less digits than its factorization.
512042432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5469 (or 5459 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 512042432 is about 22628.3546021358. The cubic root of 512042432 is about 800.0220993895.
Adding to 512042432 its reverse (234240215), we get a palindrome (746282647).
The spelling of 512042432 in words is "five hundred twelve million, forty-two thousand, four hundred thirty-two".
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