Base | Representation |
---|---|
bin | 10110100100011… |
… | …001011100000010 |
3 | 222101110220121112 |
4 | 112210121130002 |
5 | 1233412441010 |
6 | 101323323322 |
7 | 12245250041 |
oct | 2644313402 |
9 | 871426545 |
10 | 378640130 |
11 | 184806a30 |
12 | a6980542 |
13 | 605a321b |
14 | 38404558 |
15 | 23394a05 |
hex | 16919702 |
378640130 has 16 divisors (see below), whose sum is σ = 743511744. Its totient is φ = 137687280.
The previous prime is 378640121. The next prime is 378640147. The reversal of 378640130 is 31046873.
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, 1720982 + ... + 1721201.
It is an arithmetic number, because the mean of its divisors is an integer number (46469484).
Almost surely, 2378640130 is an apocalyptic number.
378640130 is a deficient number, since it is larger than the sum of its proper divisors (364871614).
378640130 is a wasteful number, since it uses less digits than its factorization.
378640130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3442201.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 378640130 is about 19458.6774987408. The cubic root of 378640130 is about 723.4505983771.
The spelling of 378640130 in words is "three hundred seventy-eight million, six hundred forty thousand, one hundred thirty".
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