Base | Representation |
---|---|
bin | 1100011010100… |
… | …0001110100000 |
3 | 10121222101121212 |
4 | 3012220032200 |
5 | 101312204110 |
6 | 5100005252 |
7 | 1201403324 |
oct | 306501640 |
9 | 117871555 |
10 | 52069280 |
11 | 2743446a |
12 | 15530828 |
13 | aa31233 |
14 | 6cb5984 |
15 | 4887e05 |
hex | 31a83a0 |
52069280 has 48 divisors (see below), whose sum is σ = 123465384. Its totient is φ = 20751360.
The previous prime is 52069271. The next prime is 52069289. The reversal of 52069280 is 8296025.
It is an interprime number because it is at equal distance from previous prime (52069271) and next prime (52069289).
It can be written as a sum of positive squares in 4 ways, for example, as 11262736 + 40806544 = 3356^2 + 6388^2 .
It is a super-2 number, since 2×520692802 = 5422419839436800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is not an unprimeable number, because it can be changed into a prime (52069289) 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, 66974 + ... + 67746.
Almost surely, 252069280 is an apocalyptic number.
It is an amenable number.
52069280 is an abundant number, since it is smaller than the sum of its proper divisors (71396104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52069280 is a wasteful number, since it uses less digits than its factorization.
52069280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1209 (or 1201 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 52069280 is about 7215.9046556894. The cubic root of 52069280 is about 373.4168038985.
The spelling of 52069280 in words is "fifty-two million, sixty-nine thousand, two hundred eighty".
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