Base | Representation |
---|---|
bin | 10110110101100… |
… | …101011111110001 |
3 | 222200221211110110 |
4 | 112311211133301 |
5 | 1241041132334 |
6 | 102004051533 |
7 | 12331454433 |
oct | 2665453761 |
9 | 880854413 |
10 | 383145969 |
11 | 187304268 |
12 | a8393ba9 |
13 | 614c00bb |
14 | 38c58653 |
15 | 23984ae9 |
hex | 16d657f1 |
383145969 has 8 divisors (see below), whose sum is σ = 510951712. Its totient is φ = 255385440.
The previous prime is 383145967. The next prime is 383146003. The reversal of 383145969 is 969541383.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 383145969 - 21 = 383145967 is a prime.
It is a super-2 number, since 2×3831459692 = 293601667121897922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (383145967) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27762 + ... + 39204.
It is an arithmetic number, because the mean of its divisors is an integer number (63868964).
Almost surely, 2383145969 is an apocalyptic number.
It is an amenable number.
383145969 is a deficient number, since it is larger than the sum of its proper divisors (127805743).
383145969 is a wasteful number, since it uses less digits than its factorization.
383145969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22607.
The product of its digits is 699840, while the sum is 48.
The square root of 383145969 is about 19574.1147692559. The cubic root of 383145969 is about 726.3089908762.
The spelling of 383145969 in words is "three hundred eighty-three million, one hundred forty-five thousand, nine hundred sixty-nine".
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