Base | Representation |
---|---|
bin | 100001000000111… |
… | …000110110100101 |
3 | 1102121020001220000 |
4 | 201000320312211 |
5 | 2113243142442 |
6 | 130543331513 |
7 | 16503624255 |
oct | 4100706645 |
9 | 1377201800 |
10 | 553880997 |
11 | 264718a9a |
12 | 1355b0b99 |
13 | 8a99bb47 |
14 | 537bd965 |
15 | 3395cd4c |
hex | 21038da5 |
553880997 has 10 divisors (see below), whose sum is σ = 827402598. Its totient is φ = 369253944.
The previous prime is 553880983. The next prime is 553881007. The reversal of 553880997 is 799088355.
553880997 is a `hidden beast` number, since 553 + 8 + 80 + 9 + 9 + 7 = 666.
It can be written as a sum of positive squares in only one way, i.e., 553472676 + 408321 = 23526^2 + 639^2 .
It is not a de Polignac number, because 553880997 - 226 = 486772133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (553830997) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3418938 + ... + 3419099.
Almost surely, 2553880997 is an apocalyptic number.
It is an amenable number.
553880997 is a deficient number, since it is larger than the sum of its proper divisors (273521601).
553880997 is an equidigital number, since it uses as much as digits as its factorization.
553880997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6838049 (or 6838040 counting only the distinct ones).
The product of its (nonzero) digits is 2721600, while the sum is 54.
The square root of 553880997 is about 23534.6764796120. The cubic root of 553880997 is about 821.2438968709.
The spelling of 553880997 in words is "five hundred fifty-three million, eight hundred eighty thousand, nine hundred ninety-seven".
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