Base | Representation |
---|---|
bin | 10000110001100… |
… | …00010011100100 |
3 | 100210202122210000 |
4 | 20120300103210 |
5 | 242010111134 |
6 | 21543501300 |
7 | 3325663422 |
oct | 1030602344 |
9 | 323678700 |
10 | 140707044 |
11 | 72475315 |
12 | 3b157830 |
13 | 231c710a |
14 | 1498a112 |
15 | c545e99 |
hex | 86304e4 |
140707044 has 45 divisors (see below), whose sum is σ = 368395027. Its totient is φ = 46831176.
The previous prime is 140707037. The next prime is 140707057. The reversal of 140707044 is 440707041.
The square root of 140707044 is 11862.
It is a perfect power (a square), and thus also a powerful number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 140706999 and 140707017.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 213187 + ... + 213845.
Almost surely, 2140707044 is an apocalyptic number.
140707044 is the 11862-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140707044
140707044 is an abundant number, since it is smaller than the sum of its proper divisors (227687983).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140707044 is an frugal number, since it uses more digits than its factorization.
140707044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1334 (or 664 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 27.
The cubic root of 140707044 is about 520.1220670040.
Multiplying 140707044 by its product of nonzero digits (3136), we get a square (441257289984 = 6642722).
The spelling of 140707044 in words is "one hundred forty million, seven hundred seven thousand, forty-four".
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