Base | Representation |
---|---|
bin | 1101010010111… |
… | …1111011011001 |
3 | 10212221110012201 |
4 | 3110233323121 |
5 | 103234131331 |
6 | 5311210201 |
7 | 1245021130 |
oct | 324577331 |
9 | 125843181 |
10 | 55770841 |
11 | 29532505 |
12 | 16816961 |
13 | b728cc9 |
14 | 759a917 |
15 | 4d69a61 |
hex | 352fed9 |
55770841 has 4 divisors (see below), whose sum is σ = 63738112. Its totient is φ = 47803572.
The previous prime is 55770821. The next prime is 55770853. The reversal of 55770841 is 14807755.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 55770841 - 25 = 55770809 is a prime.
It is a super-2 number, since 2×557708412 = 6220773411694562, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 55770841.
It is not an unprimeable number, because it can be changed into a prime (55770821) 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 3 ways as a sum of consecutive naturals, for example, 3983625 + ... + 3983638.
It is an arithmetic number, because the mean of its divisors is an integer number (15934528).
Almost surely, 255770841 is an apocalyptic number.
It is an amenable number.
55770841 is a deficient number, since it is larger than the sum of its proper divisors (7967271).
55770841 is an equidigital number, since it uses as much as digits as its factorization.
55770841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7967270.
The product of its (nonzero) digits is 39200, while the sum is 37.
The square root of 55770841 is about 7467.9877477136. The cubic root of 55770841 is about 382.0636595203.
The spelling of 55770841 in words is "fifty-five million, seven hundred seventy thousand, eight hundred forty-one".
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