Base | Representation |
---|---|
bin | 100000110111101… |
… | …010001101101101 |
3 | 1102102200011021221 |
4 | 200313222031231 |
5 | 2112133233431 |
6 | 130415423341 |
7 | 16444230115 |
oct | 4067521555 |
9 | 1372604257 |
10 | 551461741 |
11 | 263316406 |
12 | 134824b51 |
13 | 8a33292c |
14 | 53350045 |
15 | 33631111 |
hex | 20dea36d |
551461741 has 4 divisors (see below), whose sum is σ = 551773852. Its totient is φ = 551149632.
The previous prime is 551461739. The next prime is 551461747. The reversal of 551461741 is 147164155.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 331058025 + 220403716 = 18195^2 + 14846^2 .
It is a cyclic number.
It is not a de Polignac number, because 551461741 - 21 = 551461739 is a prime.
It is a super-2 number, since 2×5514617412 = 608220103573502162, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 551461697 and 551461706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (551461747) 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, 153390 + ... + 156943.
It is an arithmetic number, because the mean of its divisors is an integer number (137943463).
Almost surely, 2551461741 is an apocalyptic number.
It is an amenable number.
551461741 is a deficient number, since it is larger than the sum of its proper divisors (312111).
551461741 is a wasteful number, since it uses less digits than its factorization.
551461741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 312110.
The product of its digits is 16800, while the sum is 34.
The square root of 551461741 is about 23483.2225429135. Note that the first 3 decimals coincide. The cubic root of 551461741 is about 820.0464682173.
The spelling of 551461741 in words is "five hundred fifty-one million, four hundred sixty-one thousand, seven hundred forty-one".
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