Base | Representation |
---|---|
bin | 100111100101100000000 |
3 | 2102220100200 |
4 | 10330230000 |
5 | 313002102 |
6 | 43445200 |
7 | 14011533 |
oct | 4745400 |
9 | 2386320 |
10 | 1297152 |
11 | 80662a |
12 | 526800 |
13 | 36555c |
14 | 25aa1a |
15 | 1a951c |
hex | 13cb00 |
1297152 has 54 divisors (see below), whose sum is σ = 3746652. Its totient is φ = 431616.
The previous prime is 1297147. The next prime is 1297157. The reversal of 1297152 is 2517921.
It is an interprime number because it is at equal distance from previous prime (1297147) and next prime (1297157).
It is a super-2 number, since 2×12971522 = 3365206622208, which contains 22 as substring.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (1297157) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2023 + ... + 2585.
21297152 is an apocalyptic number.
1297152 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 1297152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1873326).
1297152 is an abundant number, since it is smaller than the sum of its proper divisors (2449500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1297152 is an equidigital number, since it uses as much as digits as its factorization.
1297152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 585 (or 568 counting only the distinct ones).
The product of its digits is 1260, while the sum is 27.
The square root of 1297152 is about 1138.9258096996. The cubic root of 1297152 is about 109.0595303691.
The spelling of 1297152 in words is "one million, two hundred ninety-seven thousand, one hundred fifty-two".
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