Base | Representation |
---|---|
bin | 101101101010… |
… | …011110011001 |
3 | 211112011101021 |
4 | 231222132121 |
5 | 11031023312 |
6 | 1104322441 |
7 | 203514202 |
oct | 55523631 |
9 | 24464337 |
10 | 11970457 |
11 | 6836644 |
12 | 4013421 |
13 | 2631715 |
14 | 18385a9 |
15 | 10b6c07 |
hex | b6a799 |
11970457 has 6 divisors (see below), whose sum is σ = 12173694. Its totient is φ = 11770560.
The previous prime is 11970403. The next prime is 11970463. The reversal of 11970457 is 75407911.
It can be written as a sum of positive squares in 3 ways, for example, as 5776 + 11964681 = 76^2 + 3459^2 .
It is a de Polignac number, because none of the positive numbers 2k-11970457 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11970157) 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, 2113 + ... + 5329.
It is an arithmetic number, because the mean of its divisors is an integer number (2028949).
Almost surely, 211970457 is an apocalyptic number.
It is an amenable number.
11970457 is a deficient number, since it is larger than the sum of its proper divisors (203237).
11970457 is an frugal number, since it uses more digits than its factorization.
11970457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3339 (or 3278 counting only the distinct ones).
The product of its (nonzero) digits is 8820, while the sum is 34.
The square root of 11970457 is about 3459.8348226469. The cubic root of 11970457 is about 228.7548147135.
The spelling of 11970457 in words is "eleven million, nine hundred seventy thousand, four hundred fifty-seven".
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