Base | Representation |
---|---|
bin | 10110100101101… |
… | …110010111000000 |
3 | 222102010120202102 |
4 | 112211232113000 |
5 | 1234010103333 |
6 | 101335005532 |
7 | 12251226122 |
oct | 2645562700 |
9 | 872116672 |
10 | 378987968 |
11 | 184a242a7 |
12 | a6b098a8 |
13 | 60695648 |
14 | 38495212 |
15 | 23412ae8 |
hex | 1696e5c0 |
378987968 has 28 divisors (see below), whose sum is σ = 762365760. Its totient is φ = 186895872.
The previous prime is 378987967. The next prime is 378987977. The reversal of 378987968 is 869789873.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378987967) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35888 + ... + 45231.
Almost surely, 2378987968 is an apocalyptic number.
It is an amenable number.
378987968 is an abundant number, since it is smaller than the sum of its proper divisors (383377792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378987968 is an equidigital number, since it uses as much as digits as its factorization.
378987968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81204 (or 81194 counting only the distinct ones).
The product of its digits is 36578304, while the sum is 65.
The square root of 378987968 is about 19467.6133103162. The cubic root of 378987968 is about 723.6720633611.
The spelling of 378987968 in words is "three hundred seventy-eight million, nine hundred eighty-seven thousand, nine hundred sixty-eight".
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