Base | Representation |
---|---|
bin | 10000101111110… |
… | …01010101101100 |
3 | 100210100012221100 |
4 | 20113321111230 |
5 | 241430410100 |
6 | 21535003100 |
7 | 3324035136 |
oct | 1027712554 |
9 | 323305840 |
10 | 140481900 |
11 | 72331149 |
12 | 3b069490 |
13 | 231487b0 |
14 | 1492c056 |
15 | c4ee400 |
hex | 85f956c |
140481900 has 108 divisors (see below), whose sum is σ = 474243952. Its totient is φ = 34577280.
The previous prime is 140481889. The next prime is 140481917. The reversal of 140481900 is 9184041.
It is a super-2 number, since 2×1404819002 = 39470328455220000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5697 + ... + 17703.
Almost surely, 2140481900 is an apocalyptic number.
140481900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140481900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237121976).
140481900 is an abundant number, since it is smaller than the sum of its proper divisors (333762052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140481900 is a wasteful number, since it uses less digits than its factorization.
140481900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12040 (or 12030 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 140481900 is about 11852.5060641199. The cubic root of 140481900 is about 519.8445047891.
The spelling of 140481900 in words is "one hundred forty million, four hundred eighty-one thousand, nine hundred".
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