Base | Representation |
---|---|
bin | 1010110100100011… |
… | …1001000000110000 |
3 | 21111102212120110021 |
4 | 2231020321000300 |
5 | 21422111222130 |
6 | 1200123413224 |
7 | 131661204466 |
oct | 25510710060 |
9 | 7442776407 |
10 | 2904789040 |
11 | 126074aaaa |
12 | 690984214 |
13 | 373a597aa |
14 | 1d7b00836 |
15 | 12003837a |
hex | ad239030 |
2904789040 has 40 divisors (see below), whose sum is σ = 6757067520. Its totient is φ = 1161325056.
The previous prime is 2904789023. The next prime is 2904789077. The reversal of 2904789040 is 409874092.
It is a tau number, because it is divible by the number of its divisors (40).
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, 171012 + ... + 187228.
It is an arithmetic number, because the mean of its divisors is an integer number (168926688).
Almost surely, 22904789040 is an apocalyptic number.
2904789040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2904789040 is an abundant number, since it is smaller than the sum of its proper divisors (3852278480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2904789040 is a wasteful number, since it uses less digits than its factorization.
2904789040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18469 (or 18463 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 2904789040 is about 53896.0948492560. The cubic root of 2904789040 is about 1426.8277013711.
The spelling of 2904789040 in words is "two billion, nine hundred four million, seven hundred eighty-nine thousand, forty".
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