Base | Representation |
---|---|
bin | 100100110101111101000 |
3 | 2021100001210 |
4 | 10212233220 |
5 | 302113042 |
6 | 41513120 |
7 | 13155513 |
oct | 4465750 |
9 | 2240053 |
10 | 1207272 |
11 | 755050 |
12 | 4a27a0 |
13 | 333681 |
14 | 235d7a |
15 | 18ca9c |
hex | 126be8 |
1207272 has 64 divisors (see below), whose sum is σ = 3499200. Its totient is φ = 343040.
The previous prime is 1207267. The next prime is 1207291. The reversal of 1207272 is 2727021.
It is an Ulam number.
1207272 is a modest number, since divided by 7272 gives 120 as remainder.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4354 + ... + 4622.
It is an arithmetic number, because the mean of its divisors is an integer number (54675).
21207272 is an apocalyptic number.
1207272 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 1207272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1749600).
1207272 is an abundant number, since it is smaller than the sum of its proper divisors (2291928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1207272 is a wasteful number, since it uses less digits than its factorization.
1207272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 306 (or 302 counting only the distinct ones).
The product of its (nonzero) digits is 392, while the sum is 21.
The square root of 1207272 is about 1098.7593003019. The cubic root of 1207272 is about 106.4800817960.
The spelling of 1207272 in words is "one million, two hundred seven thousand, two hundred seventy-two".
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