Base | Representation |
---|---|
bin | 101101111001101… |
… | …1110010011001110 |
3 | 10222100012021210021 |
4 | 1123303132103032 |
5 | 11123244020420 |
6 | 412500132354 |
7 | 53111440432 |
oct | 13363362316 |
9 | 3870167707 |
10 | 1540220110 |
11 | 720461190 |
12 | 36b9970ba |
13 | 1b7135060 |
14 | 1087b29c2 |
15 | 903417aa |
hex | 5bcde4ce |
1540220110 has 64 divisors (see below), whose sum is σ = 3310663104. Its totient is φ = 508492800.
The previous prime is 1540220057. The next prime is 1540220119. The reversal of 1540220110 is 110220451.
1540220110 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1540220119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78402 + ... + 96058.
It is an arithmetic number, because the mean of its divisors is an integer number (51729111).
Almost surely, 21540220110 is an apocalyptic number.
1540220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1540220110 is an abundant number, since it is smaller than the sum of its proper divisors (1770442994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1540220110 is a wasteful number, since it uses less digits than its factorization.
1540220110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17749.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 1540220110 is about 39245.6381015776. The cubic root of 1540220110 is about 1154.8553656587.
Adding to 1540220110 its reverse (110220451), we get a palindrome (1650440561).
The spelling of 1540220110 in words is "one billion, five hundred forty million, two hundred twenty thousand, one hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •