Base | Representation |
---|---|
bin | 110101101100111… |
… | …101100011100000 |
3 | 2022210100110201100 |
4 | 311230331203200 |
5 | 3321122311122 |
6 | 225223034400 |
7 | 31220123451 |
oct | 6554754340 |
9 | 2283313640 |
10 | 900978912 |
11 | 422640879 |
12 | 21189ba00 |
13 | 11487a122 |
14 | 87933128 |
15 | 54171aac |
hex | 35b3d8e0 |
900978912 has 36 divisors (see below), whose sum is σ = 2562159600. Its totient is φ = 300326208.
The previous prime is 900978877. The next prime is 900978961. The reversal of 900978912 is 219879009.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1563912 + ... + 1564487.
It is an arithmetic number, because the mean of its divisors is an integer number (71171100).
Almost surely, 2900978912 is an apocalyptic number.
It is an amenable number.
900978912 is an abundant number, since it is smaller than the sum of its proper divisors (1661180688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
900978912 is a wasteful number, since it uses less digits than its factorization.
900978912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3128415 (or 3128404 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 45.
The square root of 900978912 is about 30016.3107659819. The cubic root of 900978912 is about 965.8393056002.
The spelling of 900978912 in words is "nine hundred million, nine hundred seventy-eight thousand, nine hundred twelve".
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