Base | Representation |
---|---|
bin | 1100100100111… |
… | …0101110100110 |
3 | 10200021001010202 |
4 | 3021032232212 |
5 | 102001020040 |
6 | 5122350502 |
7 | 1210243535 |
oct | 311165646 |
9 | 120231122 |
10 | 52751270 |
11 | 2785a8a0 |
12 | 157bb432 |
13 | ac0c790 |
14 | 701231c |
15 | 4970015 |
hex | 324eba6 |
52751270 has 64 divisors (see below), whose sum is σ = 114682176. Its totient is φ = 17210880.
The previous prime is 52751267. The next prime is 52751273. The reversal of 52751270 is 7215725.
It is an interprime number because it is at equal distance from previous prime (52751267) and next prime (52751273).
It is a super-2 number, since 2×527512702 = 5565392973225800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52751273) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52412 + ... + 53408.
It is an arithmetic number, because the mean of its divisors is an integer number (1791909).
Almost surely, 252751270 is an apocalyptic number.
52751270 is an abundant number, since it is smaller than the sum of its proper divisors (61930906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52751270 is a wasteful number, since it uses less digits than its factorization.
52751270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1065.
The product of its (nonzero) digits is 4900, while the sum is 29.
The square root of 52751270 is about 7263.0069530464. The cubic root of 52751270 is about 375.0400431314.
Adding to 52751270 its reverse (7215725), we get a palindrome (59966995).
The spelling of 52751270 in words is "fifty-two million, seven hundred fifty-one thousand, two hundred seventy".
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