Base | Representation |
---|---|
bin | 111011000010011… |
… | …111111010100000 |
3 | 2120000211011022102 |
4 | 323002133322200 |
5 | 4012032321002 |
6 | 242142025532 |
7 | 33355126310 |
oct | 7302377240 |
9 | 2500734272 |
10 | 990510752 |
11 | 469132430 |
12 | 2378782a8 |
13 | 12a296c4a |
14 | 9579b440 |
15 | 5be59a02 |
hex | 3b09fea0 |
990510752 has 48 divisors (see below), whose sum is σ = 2431259712. Its totient is φ = 385912320.
The previous prime is 990510749. The next prime is 990510767. The reversal of 990510752 is 257015099.
It is a super-2 number, since 2×9905107522 = 1962223099655211008, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198533 + ... + 203460.
It is an arithmetic number, because the mean of its divisors is an integer number (50651244).
Almost surely, 2990510752 is an apocalyptic number.
It is an amenable number.
990510752 is an abundant number, since it is smaller than the sum of its proper divisors (1440748960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
990510752 is a wasteful number, since it uses less digits than its factorization.
990510752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402021 (or 402013 counting only the distinct ones).
The product of its (nonzero) digits is 28350, while the sum is 38.
The square root of 990510752 is about 31472.3807806146. The cubic root of 990510752 is about 996.8268591605.
The spelling of 990510752 in words is "nine hundred ninety million, five hundred ten thousand, seven hundred fifty-two".
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