Base | Representation |
---|---|
bin | 1100100110110… |
… | …0010010110100 |
3 | 10200111012021000 |
4 | 3021230102310 |
5 | 102013403442 |
6 | 5125123300 |
7 | 1211256600 |
oct | 311542264 |
9 | 120435230 |
10 | 52872372 |
11 | 27932883 |
12 | 15859530 |
13 | ac52937 |
14 | 7044500 |
15 | 4995d4c |
hex | 326c4b4 |
52872372 has 144 divisors (see below), whose sum is σ = 162664320. Its totient is φ = 14805504.
The previous prime is 52872359. The next prime is 52872373. The reversal of 52872372 is 27327825.
It is a happy number.
52872372 is a `hidden beast` number, since 5 + 287 + 2 + 372 = 666.
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 (52872373) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513273 + ... + 513375.
Almost surely, 252872372 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 52872372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81332160).
52872372 is an abundant number, since it is smaller than the sum of its proper divisors (109791948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52872372 is a wasteful number, since it uses less digits than its factorization.
52872372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227 (or 212 counting only the distinct ones).
The product of its digits is 47040, while the sum is 36.
The square root of 52872372 is about 7271.3390788767. The cubic root of 52872372 is about 375.3268190887.
It can be divided in two parts, 528 and 72372, that added together give a square (72900 = 2702).
The spelling of 52872372 in words is "fifty-two million, eight hundred seventy-two thousand, three hundred seventy-two".
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