Base | Representation |
---|---|
bin | 101001010011010… |
… | …0111001111000000 |
3 | 10120120201200010210 |
4 | 1102212213033000 |
5 | 10314234311023 |
6 | 345303354120 |
7 | 46225364226 |
oct | 12246471700 |
9 | 3516650123 |
10 | 1385853888 |
11 | 6513075a1 |
12 | 328152940 |
13 | 1911679b3 |
14 | d20acb16 |
15 | 819ed593 |
hex | 529a73c0 |
1385853888 has 56 divisors (see below), whose sum is σ = 3707983440. Its totient is φ = 456755200.
The previous prime is 1385853881. The next prime is 1385853941. The reversal of 1385853888 is 8883585831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1385853881) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23463 + ... + 57638.
It is an arithmetic number, because the mean of its divisors is an integer number (66213990).
Almost surely, 21385853888 is an apocalyptic number.
It is an amenable number.
1385853888 is an abundant number, since it is smaller than the sum of its proper divisors (2322129552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1385853888 is an equidigital number, since it uses as much as digits as its factorization.
1385853888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81205 (or 81195 counting only the distinct ones).
The product of its digits is 7372800, while the sum is 57.
The square root of 1385853888 is about 37227.0585461704. The cubic root of 1385853888 is about 1114.9082989463.
The spelling of 1385853888 in words is "one billion, three hundred eighty-five million, eight hundred fifty-three thousand, eight hundred eighty-eight".
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