Base | Representation |
---|---|
bin | 11111011111110… |
… | …001100111001100 |
3 | 1100211022200121000 |
4 | 133133301213030 |
5 | 2040234021442 |
6 | 124233540300 |
7 | 16044344631 |
oct | 3737614714 |
9 | 1324280530 |
10 | 528423372 |
11 | 251310334 |
12 | 128b74690 |
13 | 85627569 |
14 | 50274188 |
15 | 315ced4c |
hex | 1f7f19cc |
528423372 has 96 divisors (see below), whose sum is σ = 1405913600. Its totient is φ = 171585216.
The previous prime is 528423361. The next prime is 528423377. The reversal of 528423372 is 273324825.
528423372 is a `hidden beast` number, since 5 + 284 + 2 + 3 + 372 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (528423377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744954 + ... + 745662.
Almost surely, 2528423372 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 528423372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702956800).
528423372 is an abundant number, since it is smaller than the sum of its proper divisors (877490228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
528423372 is a wasteful number, since it uses less digits than its factorization.
528423372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 892 (or 884 counting only the distinct ones).
The product of its digits is 80640, while the sum is 36.
The square root of 528423372 is about 22987.4611908318. The cubic root of 528423372 is about 808.4639751814.
The spelling of 528423372 in words is "five hundred twenty-eight million, four hundred twenty-three thousand, three hundred seventy-two".
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