Base | Representation |
---|---|
bin | 100111111001000… |
… | …1011010010010000 |
3 | 10110021201120012010 |
4 | 1033302023102100 |
5 | 10220132202423 |
6 | 340453502520 |
7 | 45112342206 |
oct | 11762132220 |
9 | 3407646163 |
10 | 1338553488 |
11 | 627640058 |
12 | 314341a40 |
13 | 1844162ac |
14 | c9ab9076 |
15 | 7c7a8693 |
hex | 4fc8b490 |
1338553488 has 40 divisors (see below), whose sum is σ = 3460536448. Its totient is φ = 445848192.
The previous prime is 1338553487. The next prime is 1338553499. The reversal of 1338553488 is 8843558331.
It is a super-2 number, since 2×13385534882 = 3583450880473932288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (1338553481) 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, 58506 + ... + 78102.
Almost surely, 21338553488 is an apocalyptic number.
It is an amenable number.
1338553488 is an abundant number, since it is smaller than the sum of its proper divisors (2121982960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1338553488 is a wasteful number, since it uses less digits than its factorization.
1338553488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21031 (or 21025 counting only the distinct ones).
The product of its digits is 1382400, while the sum is 48.
The square root of 1338553488 is about 36586.2472522121. The cubic root of 1338553488 is about 1102.0769267436.
The spelling of 1338553488 in words is "one billion, three hundred thirty-eight million, five hundred fifty-three thousand, four hundred eighty-eight".
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