Base | Representation |
---|---|
bin | 101101111011011… |
… | …0110011100100000 |
3 | 10222101212021020021 |
4 | 1123312312130200 |
5 | 11124010333230 |
6 | 412531123224 |
7 | 53122115530 |
oct | 13366663440 |
9 | 3871767207 |
10 | 1541105440 |
11 | 720a06366 |
12 | 370143514 |
13 | 1b7385014 |
14 | 1089634c0 |
15 | 90468c7a |
hex | 5bdb6720 |
1541105440 has 48 divisors (see below), whose sum is σ = 4160987712. Its totient is φ = 528378624.
The previous prime is 1541105431. The next prime is 1541105459. The reversal of 1541105440 is 445011451.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 686874 + ... + 689113.
It is an arithmetic number, because the mean of its divisors is an integer number (86687244).
Almost surely, 21541105440 is an apocalyptic number.
1541105440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1541105440 is an abundant number, since it is smaller than the sum of its proper divisors (2619882272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1541105440 is a wasteful number, since it uses less digits than its factorization.
1541105440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1376009 (or 1376001 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 25.
The square root of 1541105440 is about 39256.9158238392. The cubic root of 1541105440 is about 1155.0765964332.
Adding to 1541105440 its reverse (445011451), we get a palindrome (1986116891).
The spelling of 1541105440 in words is "one billion, five hundred forty-one million, one hundred five thousand, four hundred forty".
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