Base | Representation |
---|---|
bin | 10000101111110… |
… | …01100101000001 |
3 | 100210100021021200 |
4 | 20113321211001 |
5 | 241430423011 |
6 | 21535011413 |
7 | 3324041040 |
oct | 1027714501 |
9 | 323307250 |
10 | 140482881 |
11 | 72331960 |
12 | 3b069b69 |
13 | 23149086 |
14 | 1492c557 |
15 | c4ee856 |
hex | 85f9941 |
140482881 has 24 divisors (see below), whose sum is σ = 252992064. Its totient is φ = 72977760.
The previous prime is 140482861. The next prime is 140482897. The reversal of 140482881 is 188284041.
It is a happy number.
It is not a de Polignac number, because 140482881 - 27 = 140482753 is a prime.
It is a super-2 number, since 2×1404828812 = 39470879708120322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (140482841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100666 + ... + 102051.
It is an arithmetic number, because the mean of its divisors is an integer number (10541336).
Almost surely, 2140482881 is an apocalyptic number.
140482881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
140482881 is a deficient number, since it is larger than the sum of its proper divisors (112509183).
140482881 is a wasteful number, since it uses less digits than its factorization.
140482881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202741 (or 202738 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 36.
The square root of 140482881 is about 11852.5474477009. The cubic root of 140482881 is about 519.8457148293.
The spelling of 140482881 in words is "one hundred forty million, four hundred eighty-two thousand, eight hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •