Base | Representation |
---|---|
bin | 1011001111100000000000 |
3 | 12112201121211 |
4 | 23033200000 |
5 | 1223301242 |
6 | 143055504 |
7 | 34023022 |
oct | 13174000 |
9 | 5481554 |
10 | 2947072 |
11 | 17331a7 |
12 | ba1594 |
13 | 7c253b |
14 | 56a012 |
15 | 3d3317 |
hex | 2cf800 |
2947072 has 24 divisors (see below), whose sum is σ = 5896800. Its totient is φ = 1472512.
The previous prime is 2947027. The next prime is 2947097. The reversal of 2947072 is 2707492.
It is a happy number.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329 + ... + 2767.
It is an arithmetic number, because the mean of its divisors is an integer number (245700).
22947072 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 2947072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948400).
2947072 is an abundant number, since it is smaller than the sum of its proper divisors (2949728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2947072 is an equidigital number, since it uses as much as digits as its factorization.
2947072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1461 (or 1441 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 31.
The square root of 2947072 is about 1716.7038183682. The cubic root of 2947072 is about 143.3717486120.
The spelling of 2947072 in words is "two million, nine hundred forty-seven thousand, seventy-two".
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