Base | Representation |
---|---|
bin | 1100011011101… |
… | …0010100001100 |
3 | 10122010011021000 |
4 | 3012322110030 |
5 | 101322041442 |
6 | 5101340300 |
7 | 1202132331 |
oct | 306722414 |
9 | 118104230 |
10 | 52143372 |
11 | 274850a6 |
12 | 15567690 |
13 | aa58b88 |
14 | 6cd4988 |
15 | 489ed4c |
hex | 31ba50c |
52143372 has 48 divisors (see below), whose sum is σ = 142307200. Its totient is φ = 16465680.
The previous prime is 52143341. The next prime is 52143383. The reversal of 52143372 is 27334125.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10654 + ... + 14757.
Almost surely, 252143372 is an apocalyptic number.
It is an amenable number.
52143372 is an abundant number, since it is smaller than the sum of its proper divisors (90163828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52143372 is a wasteful number, since it uses less digits than its factorization.
52143372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25443 (or 25435 counting only the distinct ones).
The product of its digits is 5040, while the sum is 27.
The square root of 52143372 is about 7221.0367676671. The cubic root of 52143372 is about 373.5938378116.
Adding to 52143372 its reverse (27334125), we get a palindrome (79477497).
The spelling of 52143372 in words is "fifty-two million, one hundred forty-three thousand, three hundred seventy-two".
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