Base | Representation |
---|---|
bin | 10110101100000… |
… | …010001001100000 |
3 | 222112020121111201 |
4 | 112230002021200 |
5 | 1234421020023 |
6 | 101434250544 |
7 | 12301255054 |
oct | 2654021140 |
9 | 875217451 |
10 | 380641888 |
11 | 185953980 |
12 | a7586a54 |
13 | 60b243b3 |
14 | 387a5c64 |
15 | 2363cbad |
hex | 16b02260 |
380641888 has 24 divisors (see below), whose sum is σ = 817515720. Its totient is φ = 173018880.
The previous prime is 380641879. The next prime is 380641897. The reversal of 380641888 is 888146083.
It is an interprime number because it is at equal distance from previous prime (380641879) and next prime (380641897).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540333 + ... + 541036.
It is an arithmetic number, because the mean of its divisors is an integer number (34063155).
Almost surely, 2380641888 is an apocalyptic number.
It is an amenable number.
380641888 is an abundant number, since it is smaller than the sum of its proper divisors (436873832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380641888 is a wasteful number, since it uses less digits than its factorization.
380641888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1081390 (or 1081382 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 46.
The square root of 380641888 is about 19510.0458226012. The cubic root of 380641888 is about 724.7232478377.
The spelling of 380641888 in words is "three hundred eighty million, six hundred forty-one thousand, eight hundred eighty-eight".
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