Base | Representation |
---|---|
bin | 101011011001111… |
… | …111000001011000 |
3 | 1212202022000112110 |
4 | 223121333001120 |
5 | 2442411411044 |
6 | 200132312320 |
7 | 24021604302 |
oct | 5331770130 |
9 | 1782260473 |
10 | 728232024 |
11 | 344082553 |
12 | 183a726a0 |
13 | b7b45730 |
14 | 6ca06972 |
15 | 43dec6b9 |
hex | 2b67f058 |
728232024 has 32 divisors (see below), whose sum is σ = 1960625520. Its totient is φ = 224071296.
The previous prime is 728232023. The next prime is 728232121. The reversal of 728232024 is 420232827.
It is a junction number, because it is equal to n+sod(n) for n = 728231982 and 728232000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (728232023) 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, 1166727 + ... + 1167350.
Almost surely, 2728232024 is an apocalyptic number.
It is an amenable number.
728232024 is an abundant number, since it is smaller than the sum of its proper divisors (1232393496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
728232024 is a wasteful number, since it uses less digits than its factorization.
728232024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2334099 (or 2334095 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 30.
The square root of 728232024 is about 26985.7744747117. The cubic root of 728232024 is about 899.6838494500.
It can be divided in two parts, 72823 and 2024, that added together give a palindrome (74847).
The spelling of 728232024 in words is "seven hundred twenty-eight million, two hundred thirty-two thousand, twenty-four".
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