Base | Representation |
---|---|
bin | 1111111001100… |
… | …00111010010000 |
3 | 100021221212112200 |
4 | 13330300322100 |
5 | 233120310423 |
6 | 21122323200 |
7 | 3206423220 |
oct | 774607220 |
9 | 307855480 |
10 | 133369488 |
11 | 6931351a |
12 | 387b9500 |
13 | 21828375 |
14 | 139da080 |
15 | ba96d43 |
hex | 7f30e90 |
133369488 has 240 divisors, whose sum is σ = 464720256. Its totient is φ = 34836480.
The previous prime is 133369487. The next prime is 133369519. The reversal of 133369488 is 884963331.
133369488 is a `hidden beast` number, since 133 + 36 + 9 + 488 = 666.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (133369487) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 736758 + ... + 736938.
Almost surely, 2133369488 is an apocalyptic number.
133369488 is a gapful number since it is divisible by the number (18) 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 133369488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232360128).
133369488 is an abundant number, since it is smaller than the sum of its proper divisors (331350768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133369488 is a wasteful number, since it uses less digits than its factorization.
133369488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 262 (or 253 counting only the distinct ones).
The product of its digits is 373248, while the sum is 45.
The square root of 133369488 is about 11548.5708206687. The cubic root of 133369488 is about 510.9191268594.
The spelling of 133369488 in words is "one hundred thirty-three million, three hundred sixty-nine thousand, four hundred eighty-eight".
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