Base | Representation |
---|---|
bin | 1111100111110… |
… | …10001110010100 |
3 | 100010120221112020 |
4 | 13303322032110 |
5 | 232022021330 |
6 | 21000453140 |
7 | 3150615063 |
oct | 763721624 |
9 | 303527466 |
10 | 131048340 |
11 | 67a78615 |
12 | 37a7a1b0 |
13 | 211c49c7 |
14 | 135941da |
15 | b789210 |
hex | 7cfa394 |
131048340 has 48 divisors (see below), whose sum is σ = 368831232. Its totient is φ = 34765696.
The previous prime is 131048327. The next prime is 131048353. The reversal of 131048340 is 43840131.
It is an interprime number because it is at equal distance from previous prime (131048327) and next prime (131048353).
It is a self number, because there is not a number n which added to its sum of digits gives 131048340.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6277 + ... + 17363.
It is an arithmetic number, because the mean of its divisors is an integer number (7683984).
Almost surely, 2131048340 is an apocalyptic number.
131048340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131048340 is an abundant number, since it is smaller than the sum of its proper divisors (237782892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131048340 is a wasteful number, since it uses less digits than its factorization.
131048340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11296 (or 11294 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 131048340 is about 11447.6346901882. The cubic root of 131048340 is about 507.9377700860.
Adding to 131048340 its reverse (43840131), we get a palindrome (174888471).
The spelling of 131048340 in words is "one hundred thirty-one million, forty-eight thousand, three hundred forty".
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