Base | Representation |
---|---|
bin | 10010010001001… |
… | …001110010000000 |
3 | 210100201010022011 |
4 | 102101021302000 |
5 | 1111430031100 |
6 | 50225022304 |
7 | 10411043233 |
oct | 2221116200 |
9 | 710633264 |
10 | 306486400 |
11 | 148004850 |
12 | 86784994 |
13 | 4b65c2cc |
14 | 2c9c141a |
15 | 1bd90bba |
hex | 12449c80 |
306486400 has 96 divisors (see below), whose sum is σ = 826040880. Its totient is φ = 111436800.
The previous prime is 306486379. The next prime is 306486407. The reversal of 306486400 is 4684603.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (306486407) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30847 + ... + 39553.
Almost surely, 2306486400 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 306486400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413020440).
306486400 is an abundant number, since it is smaller than the sum of its proper divisors (519554480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
306486400 is a wasteful number, since it uses less digits than its factorization.
306486400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8742 (or 8725 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 31.
The square root of 306486400 is about 17506.7529827778. The cubic root of 306486400 is about 674.2232674963.
The spelling of 306486400 in words is "three hundred six million, four hundred eighty-six thousand, four hundred".
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