Base | Representation |
---|---|
bin | 10101001010101… |
… | …101110100010010 |
3 | 220202020111122202 |
4 | 111022231310102 |
5 | 1211403140032 |
6 | 55123403202 |
7 | 11541363206 |
oct | 2512556422 |
9 | 822214582 |
10 | 355130642 |
11 | 1725099a9 |
12 | 9ab23502 |
13 | 58761599 |
14 | 35244b06 |
15 | 2129dd62 |
hex | 152add12 |
355130642 has 8 divisors (see below), whose sum is σ = 532831500. Its totient is φ = 177520144.
The previous prime is 355130621. The next prime is 355130647. The reversal of 355130642 is 246031553.
It can be written as a sum of positive squares in 2 ways, for example, as 354230041 + 900601 = 18821^2 + 949^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×3551306422 = 252235545774664328, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (355130647) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11717 + ... + 29112.
Almost surely, 2355130642 is an apocalyptic number.
355130642 is a deficient number, since it is larger than the sum of its proper divisors (177700858).
355130642 is a wasteful number, since it uses less digits than its factorization.
355130642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45180.
The product of its (nonzero) digits is 10800, while the sum is 29.
The square root of 355130642 is about 18844.9102412296. The cubic root of 355130642 is about 708.1567223570.
The spelling of 355130642 in words is "three hundred fifty-five million, one hundred thirty thousand, six hundred forty-two".
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