Base | Representation |
---|---|
bin | 1100011100010… |
… | …1010011100100 |
3 | 10122012110000021 |
4 | 3013011103210 |
5 | 101330012023 |
6 | 5102324524 |
7 | 1202410510 |
oct | 307052344 |
9 | 118173007 |
10 | 52188388 |
11 | 275059aa |
12 | 15589744 |
13 | aa73505 |
14 | 6d07140 |
15 | 48ad35d |
hex | 31c54e4 |
52188388 has 12 divisors (see below), whose sum is σ = 104376832. Its totient is φ = 22366440.
The previous prime is 52188379. The next prime is 52188397. The reversal of 52188388 is 88388125.
It is an interprime number because it is at equal distance from previous prime (52188379) and next prime (52188397).
52188388 is an admirable number.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931908 + ... + 931963.
Almost surely, 252188388 is an apocalyptic number.
It is an amenable number.
52188388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52188388 is a wasteful number, since it uses less digits than its factorization.
52188388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1863882 (or 1863880 counting only the distinct ones).
The product of its digits is 122880, while the sum is 43.
The square root of 52188388 is about 7224.1530991529. The cubic root of 52188388 is about 373.7013162391.
The spelling of 52188388 in words is "fifty-two million, one hundred eighty-eight thousand, three hundred eighty-eight".
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