Base | Representation |
---|---|
bin | 11111011110001… |
… | …100001100111110 |
3 | 1100210112120210210 |
4 | 133132030030332 |
5 | 2040132223443 |
6 | 124221013250 |
7 | 16040664630 |
oct | 3736141476 |
9 | 1323476723 |
10 | 528007998 |
11 | 251057251 |
12 | 1289b4226 |
13 | 8551048b |
14 | 501a6a50 |
15 | 3154bc33 |
hex | 1f78c33e |
528007998 has 32 divisors (see below), whose sum is σ = 1277869824. Its totient is φ = 141985152.
The previous prime is 528007979. The next prime is 528008023. The reversal of 528007998 is 899700825.
It is a happy number.
It is a congruent number.
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, 369040 + ... + 370467.
It is an arithmetic number, because the mean of its divisors is an integer number (39933432).
Almost surely, 2528007998 is an apocalyptic number.
528007998 is an abundant number, since it is smaller than the sum of its proper divisors (749861826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
528007998 is a wasteful number, since it uses less digits than its factorization.
528007998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739536.
The product of its (nonzero) digits is 362880, while the sum is 48.
The square root of 528007998 is about 22978.4246196296. The cubic root of 528007998 is about 808.2520851439.
The spelling of 528007998 in words is "five hundred twenty-eight million, seven thousand, nine hundred ninety-eight".
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