Base | Representation |
---|---|
bin | 10111100001110… |
… | …110001110000010 |
3 | 1000111210022120000 |
4 | 113201312032002 |
5 | 1302023430202 |
6 | 103100500430 |
7 | 12532211100 |
oct | 2741661602 |
9 | 1014708500 |
10 | 394748802 |
11 | 192909688 |
12 | b024a716 |
13 | 63a23396 |
14 | 3a5d8c70 |
15 | 249c791c |
hex | 17876382 |
394748802 has 90 divisors (see below), whose sum is σ = 1033577523. Its totient is φ = 112279608.
The previous prime is 394748771. The next prime is 394748803. The reversal of 394748802 is 208847493.
It can be written as a sum of positive squares in only one way, i.e., 197374401 + 197374401 = 14049^2 + 14049^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=14049.
It is not an unprimeable number, because it can be changed into a prime (394748803) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1770063 + ... + 1770285.
Almost surely, 2394748802 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 394748802
394748802 is an abundant number, since it is smaller than the sum of its proper divisors (638828721).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
394748802 is an equidigital number, since it uses as much as digits as its factorization.
394748802 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474 (or 235 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The square root of 394748802 is about 19868.2863377796. The cubic root of 394748802 is about 733.5678234047.
The spelling of 394748802 in words is "three hundred ninety-four million, seven hundred forty-eight thousand, eight hundred two".
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