Base | Representation |
---|---|
bin | 10000101101111… |
… | …11011101100000 |
3 | 100202220011202001 |
4 | 20112333131200 |
5 | 241400313312 |
6 | 21525533344 |
7 | 3322030030 |
oct | 1026773540 |
9 | 322804661 |
10 | 140244832 |
11 | 7218a022 |
12 | 3ab74254 |
13 | 23094910 |
14 | 148a98c0 |
15 | c4a4057 |
hex | 85bf760 |
140244832 has 96 divisors (see below), whose sum is σ = 359940672. Its totient is φ = 52199424.
The previous prime is 140244827. The next prime is 140244847. The reversal of 140244832 is 238442041.
It is a happy number.
It is a super-2 number, since 2×1402448322 = 39337225805416448, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 140244832.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48088 + ... + 50920.
It is an arithmetic number, because the mean of its divisors is an integer number (3749382).
Almost surely, 2140244832 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140244832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179970336).
140244832 is an abundant number, since it is smaller than the sum of its proper divisors (219695840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140244832 is a wasteful number, since it uses less digits than its factorization.
140244832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2880 (or 2872 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 28.
The square root of 140244832 is about 11842.5010871859. The cubic root of 140244832 is about 519.5519216990.
Adding to 140244832 its reverse (238442041), we get a palindrome (378686873).
The spelling of 140244832 in words is "one hundred forty million, two hundred forty-four thousand, eight hundred thirty-two".
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