Base | Representation |
---|---|
bin | 11010010001010… |
… | …011101000011000 |
3 | 1010201100010202100 |
4 | 122101103220120 |
5 | 1400312310342 |
6 | 111422403400 |
7 | 13631160210 |
oct | 3221235030 |
9 | 1121303670 |
10 | 440744472 |
11 | 206874933 |
12 | 103730560 |
13 | 70408c5c |
14 | 4276d240 |
15 | 28a60e4c |
hex | 1a453a18 |
440744472 has 96 divisors (see below), whose sum is σ = 1367308800. Its totient is φ = 125641152.
The previous prime is 440744471. The next prime is 440744489. The reversal of 440744472 is 274447044.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (440744471) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331473 + ... + 332799.
It is an arithmetic number, because the mean of its divisors is an integer number (14242800).
Almost surely, 2440744472 is an apocalyptic number.
440744472 is a gapful number since it is divisible by the number (42) 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 440744472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683654400).
440744472 is an abundant number, since it is smaller than the sum of its proper divisors (926564328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
440744472 is a wasteful number, since it uses less digits than its factorization.
440744472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2005 (or 1998 counting only the distinct ones).
The product of its (nonzero) digits is 100352, while the sum is 36.
The square root of 440744472 is about 20993.9151184337. The cubic root of 440744472 is about 761.0192188718.
The spelling of 440744472 in words is "four hundred forty million, seven hundred forty-four thousand, four hundred seventy-two".
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