Base | Representation |
---|---|
bin | 111000101000000… |
… | …1101010100110010 |
3 | 11220102022202220212 |
4 | 1301100031110302 |
5 | 12342404334130 |
6 | 512313104122 |
7 | 65041236122 |
oct | 16120152462 |
9 | 4812282825 |
10 | 1900074290 |
11 | 8955a6a34 |
12 | 4503b8042 |
13 | 24385b61a |
14 | 1404c6c82 |
15 | b1c24e95 |
hex | 7140d532 |
1900074290 has 32 divisors (see below), whose sum is σ = 3602448000. Its totient is φ = 719566848.
The previous prime is 1900074277. The next prime is 1900074313. The reversal of 1900074290 is 924700091.
It is a super-2 number, since 2×19000742902 = 7220564615038008200, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509051 + ... + 512769.
It is an arithmetic number, because the mean of its divisors is an integer number (112576500).
Almost surely, 21900074290 is an apocalyptic number.
1900074290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1900074290 is a deficient number, since it is larger than the sum of its proper divisors (1702373710).
1900074290 is a wasteful number, since it uses less digits than its factorization.
1900074290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6434.
The product of its (nonzero) digits is 4536, while the sum is 32.
The square root of 1900074290 is about 43589.8415918205. The cubic root of 1900074290 is about 1238.5784720155.
The spelling of 1900074290 in words is "one billion, nine hundred million, seventy-four thousand, two hundred ninety".
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