Base | Representation |
---|---|
bin | 111110110110010… |
… | …100001100111110 |
3 | 2201111002101102210 |
4 | 332312110030332 |
5 | 4124413112133 |
6 | 252344001250 |
7 | 35062321020 |
oct | 7666241476 |
9 | 2644071383 |
10 | 1054425918 |
11 | 4a1217887 |
12 | 255160226 |
13 | 13a5b4c80 |
14 | a0078010 |
15 | 62882763 |
hex | 3ed9433e |
1054425918 has 128 divisors (see below), whose sum is σ = 2807820288. Its totient is φ = 256057344.
The previous prime is 1054425917. The next prime is 1054425923. The reversal of 1054425918 is 8195244501.
It is a super-2 number, since 2×10544259182 = 2223628033100285448, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1054425917) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 435046 + ... + 437462.
It is an arithmetic number, because the mean of its divisors is an integer number (21936096).
Almost surely, 21054425918 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1054425918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403910144).
1054425918 is an abundant number, since it is smaller than the sum of its proper divisors (1753394370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1054425918 is a wasteful number, since it uses less digits than its factorization.
1054425918 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2506.
The product of its (nonzero) digits is 57600, while the sum is 39.
The square root of 1054425918 is about 32471.9250738234. The cubic root of 1054425918 is about 1017.8224460455.
The spelling of 1054425918 in words is "one billion, fifty-four million, four hundred twenty-five thousand, nine hundred eighteen".
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