Base | Representation |
---|---|
bin | 101011100101111… |
… | …101000000000000 |
3 | 1212222012102022020 |
4 | 223211331000000 |
5 | 2444212310342 |
6 | 200323441440 |
7 | 24060352341 |
oct | 5345750000 |
9 | 1788172266 |
10 | 731369472 |
11 | 345925789 |
12 | 184b26280 |
13 | b86a3802 |
14 | 6d1c20c8 |
15 | 4431c0ec |
hex | 2b97d000 |
731369472 has 104 divisors (see below), whose sum is σ = 1988643744. Its totient is φ = 238977024.
The previous prime is 731369459. The next prime is 731369497. The reversal of 731369472 is 274963137.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650703 + ... + 651825.
Almost surely, 2731369472 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 731369472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994321872).
731369472 is an abundant number, since it is smaller than the sum of its proper divisors (1257274272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
731369472 is a wasteful number, since it uses less digits than its factorization.
731369472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1203 (or 1181 counting only the distinct ones).
The product of its digits is 190512, while the sum is 42.
The square root of 731369472 is about 27043.8435138203. The cubic root of 731369472 is about 900.9740368136.
The spelling of 731369472 in words is "seven hundred thirty-one million, three hundred sixty-nine thousand, four hundred seventy-two".
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