Base | Representation |
---|---|
bin | 101101101010… |
… | …011001011100 |
3 | 211112010221112 |
4 | 231222121130 |
5 | 11031021030 |
6 | 1104321152 |
7 | 203513240 |
oct | 55523134 |
9 | 24463845 |
10 | 11970140 |
11 | 6836386 |
12 | 40131b8 |
13 | 2631530 |
14 | 1838420 |
15 | 10b6a95 |
hex | b6a65c |
11970140 has 48 divisors (see below), whose sum is σ = 30942912. Its totient is φ = 3787776.
The previous prime is 11970121. The next prime is 11970157. The reversal of 11970140 is 4107911.
11970140 = 582 + 592 + ... + 3302.
11970140 is nontrivially palindromic in base 11.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469 + ... + 5108.
It is an arithmetic number, because the mean of its divisors is an integer number (644644).
Almost surely, 211970140 is an apocalyptic number.
11970140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11970140 is an abundant number, since it is smaller than the sum of its proper divisors (18972772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11970140 is a wasteful number, since it uses less digits than its factorization.
11970140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6606 (or 6604 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 23.
The square root of 11970140 is about 3459.7890109080. The cubic root of 11970140 is about 228.7527954111.
The spelling of 11970140 in words is "eleven million, nine hundred seventy thousand, one hundred forty".
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