Base | Representation |
---|---|
bin | 1011011000010101… |
… | …0111110011100100 |
3 | 21212220021001020000 |
4 | 2312011113303210 |
5 | 22224021032130 |
6 | 1223044141300 |
7 | 135462615603 |
oct | 26605276344 |
9 | 7786231200 |
10 | 3054861540 |
11 | 1328431765 |
12 | 713097830 |
13 | 398b826a3 |
14 | 20da07a3a |
15 | 12d2ce260 |
hex | b6157ce4 |
3054861540 has 60 divisors (see below), whose sum is σ = 9583218876. Its totient is φ = 814629312.
The previous prime is 3054861539. The next prime is 3054861547. The reversal of 3054861540 is 451684503.
It is a happy number.
3054861540 is a `hidden beast` number, since 3 + 0 + 54 + 8 + 61 + 540 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1954347264 + 1100514276 = 44208^2 + 33174^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 3054861495 and 3054861504.
It is not an unprimeable number, because it can be changed into a prime (3054861547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 941239 + ... + 944478.
Almost surely, 23054861540 is an apocalyptic number.
3054861540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3054861540 is an abundant number, since it is smaller than the sum of its proper divisors (6528357336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3054861540 is a wasteful number, since it uses less digits than its factorization.
3054861540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1885738 (or 1885727 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The square root of 3054861540 is about 55270.8018758548. The cubic root of 3054861540 is about 1450.9880764410.
The spelling of 3054861540 in words is "three billion, fifty-four million, eight hundred sixty-one thousand, five hundred forty".
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