Base | Representation |
---|---|
bin | 111011000000101… |
… | …001111001110011 |
3 | 2112222220121020201 |
4 | 323000221321303 |
5 | 4011421334004 |
6 | 242123420031 |
7 | 33351044125 |
oct | 7300517163 |
9 | 2488817221 |
10 | 990027379 |
11 | 468932250 |
12 | 237684617 |
13 | 12a157c23 |
14 | 956b3215 |
15 | 5bdb16a4 |
hex | 3b029e73 |
990027379 has 8 divisors (see below), whose sum is σ = 1080460800. Its totient is φ = 899665800.
The previous prime is 990027373. The next prime is 990027383. The reversal of 990027379 is 973720099.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 990027379 - 27 = 990027251 is a prime.
It is a super-2 number, since 2×9900273792 = 1960308422339219282, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (990027373) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13222 + ... + 46420.
It is an arithmetic number, because the mean of its divisors is an integer number (135057600).
Almost surely, 2990027379 is an apocalyptic number.
990027379 is a deficient number, since it is larger than the sum of its proper divisors (90433421).
990027379 is a wasteful number, since it uses less digits than its factorization.
990027379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35921.
The product of its (nonzero) digits is 214326, while the sum is 46.
The square root of 990027379 is about 31464.7005229670. The cubic root of 990027379 is about 996.6646810150.
The spelling of 990027379 in words is "nine hundred ninety million, twenty-seven thousand, three hundred seventy-nine".
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