Base | Representation |
---|---|
bin | 1100100100001… |
… | …0011111111101 |
3 | 10200011111102121 |
4 | 3021002133331 |
5 | 101442414211 |
6 | 5121322541 |
7 | 1206644521 |
oct | 311023775 |
9 | 120144377 |
10 | 52701181 |
11 | 278261a5 |
12 | 15796451 |
13 | abc2a40 |
14 | 6ddbd81 |
15 | 4960271 |
hex | 32427fd |
52701181 has 8 divisors (see below), whose sum is σ = 56822360. Its totient is φ = 48589632.
The previous prime is 52701179. The next prime is 52701199. The reversal of 52701181 is 18110725.
It can be written as a sum of positive squares in 4 ways, for example, as 8265625 + 44435556 = 2875^2 + 6666^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52701181 - 21 = 52701179 is a prime.
It is a super-2 number, since 2×527011812 = 5554828957589522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52701161) 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, 12355 + ... + 16063.
It is an arithmetic number, because the mean of its divisors is an integer number (7102795).
Almost surely, 252701181 is an apocalyptic number.
It is an amenable number.
52701181 is a deficient number, since it is larger than the sum of its proper divisors (4121179).
52701181 is a wasteful number, since it uses less digits than its factorization.
52701181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4815.
The product of its (nonzero) digits is 560, while the sum is 25.
The square root of 52701181 is about 7259.5579066497. The cubic root of 52701181 is about 374.9213014112.
The spelling of 52701181 in words is "fifty-two million, seven hundred one thousand, one hundred eighty-one".
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