Base | Representation |
---|---|
bin | 1100011100010… |
… | …1001100111111 |
3 | 10122012102102200 |
4 | 3013011030333 |
5 | 101330003332 |
6 | 5102322543 |
7 | 1202406336 |
oct | 307051477 |
9 | 118172380 |
10 | 52187967 |
11 | 27505657 |
12 | 15589453 |
13 | aa73270 |
14 | 6d06d1d |
15 | 48ad17c |
hex | 31c533f |
52187967 has 24 divisors (see below), whose sum is σ = 81790800. Its totient is φ = 31874688.
The previous prime is 52187929. The next prime is 52187999. The reversal of 52187967 is 76978125.
It is not a de Polignac number, because 52187967 - 26 = 52187903 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52187917) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14659 + ... + 17867.
It is an arithmetic number, because the mean of its divisors is an integer number (3407950).
Almost surely, 252187967 is an apocalyptic number.
52187967 is a deficient number, since it is larger than the sum of its proper divisors (29602833).
52187967 is a wasteful number, since it uses less digits than its factorization.
52187967 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3367 (or 3364 counting only the distinct ones).
The product of its digits is 211680, while the sum is 45.
The square root of 52187967 is about 7224.1239607305. The cubic root of 52187967 is about 373.7003113625.
It can be divided in two parts, 521 and 87967, that added together give a palindrome (88488).
The spelling of 52187967 in words is "fifty-two million, one hundred eighty-seven thousand, nine hundred sixty-seven".
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