Base | Representation |
---|---|
bin | 101000011111011… |
… | …1111100010010100 |
3 | 10111200121121220121 |
4 | 1100332333202110 |
5 | 10240311043302 |
6 | 342453241324 |
7 | 45445451440 |
oct | 12076774224 |
9 | 3450547817 |
10 | 1358690452 |
11 | 637a44279 |
12 | 31b033244 |
13 | 188646b62 |
14 | cc63b820 |
15 | 7e434e37 |
hex | 50fbf894 |
1358690452 has 24 divisors (see below), whose sum is σ = 2720217024. Its totient is φ = 581688192.
The previous prime is 1358690441. The next prime is 1358690453. The reversal of 1358690452 is 2540968531.
It is a junction number, because it is equal to n+sod(n) for n = 1358690399 and 1358690408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1358690453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2523 + ... + 52189.
It is an arithmetic number, because the mean of its divisors is an integer number (113342376).
Almost surely, 21358690452 is an apocalyptic number.
It is an amenable number.
1358690452 is an abundant number, since it is smaller than the sum of its proper divisors (1361526572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1358690452 is a wasteful number, since it uses less digits than its factorization.
1358690452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50655 (or 50653 counting only the distinct ones).
The product of its (nonzero) digits is 259200, while the sum is 43.
The square root of 1358690452 is about 36860.4185000659. The cubic root of 1358690452 is about 1107.5759269352.
The spelling of 1358690452 in words is "one billion, three hundred fifty-eight million, six hundred ninety thousand, four hundred fifty-two".
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