Base | Representation |
---|---|
bin | 10111101001111… |
… | …110100101111110 |
3 | 1000122210121100200 |
4 | 113221332211332 |
5 | 1303100132004 |
6 | 103214304330 |
7 | 12556266201 |
oct | 2751764576 |
9 | 1018717320 |
10 | 396880254 |
11 | 194035011 |
12 | b0ab80a6 |
13 | 642bb5b4 |
14 | 3a9d1938 |
15 | 24c99239 |
hex | 17a7e97e |
396880254 has 48 divisors (see below), whose sum is σ = 892635120. Its totient is φ = 127290240.
The previous prime is 396880229. The next prime is 396880261. The reversal of 396880254 is 452088693.
396880254 is a `hidden beast` number, since 396 + 8 + 8 + 0 + 254 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171634 + ... + 173930.
It is an arithmetic number, because the mean of its divisors is an integer number (18596565).
Almost surely, 2396880254 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 396880254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446317560).
396880254 is an abundant number, since it is smaller than the sum of its proper divisors (495754866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
396880254 is a wasteful number, since it uses less digits than its factorization.
396880254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2665 (or 2662 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The square root of 396880254 is about 19921.8536788121. The cubic root of 396880254 is about 734.8857576154.
The spelling of 396880254 in words is "three hundred ninety-six million, eight hundred eighty thousand, two hundred fifty-four".
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