Base | Representation |
---|---|
bin | 1100011101010… |
… | …1011001010000 |
3 | 10122022210102000 |
4 | 3013111121100 |
5 | 101334114123 |
6 | 5103554000 |
7 | 1203103602 |
oct | 307253120 |
9 | 118283360 |
10 | 52254288 |
11 | 27550469 |
12 | 155bb900 |
13 | aa974c8 |
14 | 6d23172 |
15 | 48c2b43 |
hex | 31d5650 |
52254288 has 160 divisors (see below), whose sum is σ = 160406400. Its totient is φ = 16257024.
The previous prime is 52254263. The next prime is 52254289. The reversal of 52254288 is 88245225.
52254288 is a `hidden beast` number, since 5 + 225 + 428 + 8 = 666.
It is a super-2 number, since 2×522542882 = 5461021228773888, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52254289) 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, 538656 + ... + 538752.
It is an arithmetic number, because the mean of its divisors is an integer number (1002540).
Almost surely, 252254288 is an apocalyptic number.
52254288 is a gapful number since it is divisible by the number (58) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 52254288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80203200).
52254288 is an abundant number, since it is smaller than the sum of its proper divisors (108152112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52254288 is a wasteful number, since it uses less digits than its factorization.
52254288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186 (or 174 counting only the distinct ones).
The product of its digits is 51200, while the sum is 36.
The square root of 52254288 is about 7228.7127484774. The cubic root of 52254288 is about 373.8585450737.
The spelling of 52254288 in words is "fifty-two million, two hundred fifty-four thousand, two hundred eighty-eight".
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