Base | Representation |
---|---|
bin | 1010111111001010… |
… | …0101001001001100 |
3 | 21121112120112210111 |
4 | 2233302211021030 |
5 | 22020003202030 |
6 | 1204353045404 |
7 | 133041254023 |
oct | 25762451114 |
9 | 7545515714 |
10 | 2949272140 |
11 | 12838728a1 |
12 | 6a3856864 |
13 | 380032a59 |
14 | 1dd99d8ba |
15 | 123dc362a |
hex | afca524c |
2949272140 has 12 divisors (see below), whose sum is σ = 6193471536. Its totient is φ = 1179708848.
The previous prime is 2949272113. The next prime is 2949272143. The reversal of 2949272140 is 412729492.
2949272140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 2949272093 and 2949272102.
It is not an unprimeable number, because it can be changed into a prime (2949272143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73731784 + ... + 73731823.
It is an arithmetic number, because the mean of its divisors is an integer number (516122628).
Almost surely, 22949272140 is an apocalyptic number.
2949272140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2949272140 is an abundant number, since it is smaller than the sum of its proper divisors (3244199396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2949272140 is a wasteful number, since it uses less digits than its factorization.
2949272140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147463616 (or 147463614 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 2949272140 is about 54307.2015482293. The cubic root of 2949272140 is about 1434.0741785190.
The spelling of 2949272140 in words is "two billion, nine hundred forty-nine million, two hundred seventy-two thousand, one hundred forty".
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