Base | Representation |
---|---|
bin | 10110100101010… |
… | …111001110111000 |
3 | 222101221202210222 |
4 | 112211113032320 |
5 | 1233444040430 |
6 | 101332555212 |
7 | 12250353005 |
oct | 2645271670 |
9 | 871852728 |
10 | 378893240 |
11 | 18496a110 |
12 | a6a82b08 |
13 | 606614ab |
14 | 3846c8ac |
15 | 233e49e5 |
hex | 169573b8 |
378893240 has 32 divisors (see below), whose sum is σ = 930011760. Its totient is φ = 137779200.
The previous prime is 378893219. The next prime is 378893261. The reversal of 378893240 is 42398873.
It is an interprime number because it is at equal distance from previous prime (378893219) and next prime (378893261).
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a junction number, because it is equal to n+sod(n) for n = 378893191 and 378893200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430121 + ... + 431000.
Almost surely, 2378893240 is an apocalyptic number.
It is an amenable number.
378893240 is an abundant number, since it is smaller than the sum of its proper divisors (551118520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378893240 is a wasteful number, since it uses less digits than its factorization.
378893240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 861143 (or 861139 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 44.
The square root of 378893240 is about 19465.1801943881. The cubic root of 378893240 is about 723.6117644199.
The spelling of 378893240 in words is "three hundred seventy-eight million, eight hundred ninety-three thousand, two hundred forty".
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