Base | Representation |
---|---|
bin | 10110101011010… |
… | …010101000010101 |
3 | 222111212201112000 |
4 | 112223102220111 |
5 | 1234343303003 |
6 | 101430145513 |
7 | 12266514444 |
oct | 2653225025 |
9 | 874781460 |
10 | 380447253 |
11 | 18583071a |
12 | a74b2299 |
13 | 60a86924 |
14 | 38754d5b |
15 | 236001a3 |
hex | 16ad2a15 |
380447253 has 16 divisors (see below), whose sum is σ = 564000960. Its totient is φ = 253462608.
The previous prime is 380447237. The next prime is 380447257. The reversal of 380447253 is 352744083.
It is a happy number.
It is not a de Polignac number, because 380447253 - 24 = 380447237 is a prime.
It is a super-2 number, since 2×3804472532 = 289480224630492018, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380447257) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46926 + ... + 54432.
It is an arithmetic number, because the mean of its divisors is an integer number (35250060).
Almost surely, 2380447253 is an apocalyptic number.
It is an amenable number.
380447253 is a deficient number, since it is larger than the sum of its proper divisors (183553707).
380447253 is a wasteful number, since it uses less digits than its factorization.
380447253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9393 (or 9387 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
The square root of 380447253 is about 19505.0571134770. The cubic root of 380447253 is about 724.5997016535.
The spelling of 380447253 in words is "three hundred eighty million, four hundred forty-seven thousand, two hundred fifty-three".
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