Base | Representation |
---|---|
bin | 101001110101111000000 |
3 | 2120122202110 |
4 | 11032233000 |
5 | 322333242 |
6 | 45215320 |
7 | 14440203 |
oct | 5165700 |
9 | 2518673 |
10 | 1371072 |
11 | 85711a |
12 | 561540 |
13 | 3900b1 |
14 | 27993a |
15 | 1c139c |
hex | 14ebc0 |
1371072 has 56 divisors (see below), whose sum is σ = 3744976. Its totient is φ = 442368.
The previous prime is 1371061. The next prime is 1371079. The reversal of 1371072 is 2701731.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1371079) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7008 + ... + 7200.
21371072 is an apocalyptic number.
1371072 is a gapful number since it is divisible by the number (12) 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 1371072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872488).
1371072 is an abundant number, since it is smaller than the sum of its proper divisors (2373904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1371072 is a wasteful number, since it uses less digits than its factorization.
1371072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245 (or 235 counting only the distinct ones).
The product of its (nonzero) digits is 294, while the sum is 21.
The square root of 1371072 is about 1170.9278372299. The cubic root of 1371072 is about 111.0930151271.
The spelling of 1371072 in words is "one million, three hundred seventy-one thousand, seventy-two".
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