Base | Representation |
---|---|
bin | 1101100001010… |
… | …1000101001010 |
3 | 10221201010202000 |
4 | 3120111011022 |
5 | 104004200300 |
6 | 5343251430 |
7 | 1256010450 |
oct | 330250512 |
9 | 127633660 |
10 | 56709450 |
11 | 2a013716 |
12 | 16ba9b76 |
13 | b9972b5 |
14 | 77629d0 |
15 | 4ea2c00 |
hex | 361514a |
56709450 has 192 divisors, whose sum is σ = 189630720. Its totient is φ = 12165120.
The previous prime is 56709449. The next prime is 56709461. The reversal of 56709450 is 5490765.
56709450 is a `hidden beast` number, since 567 + 0 + 94 + 5 + 0 = 666.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 160474 + ... + 160826.
It is an arithmetic number, because the mean of its divisors is an integer number (987660).
Almost surely, 256709450 is an apocalyptic number.
56709450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 56709450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94815360).
56709450 is an abundant number, since it is smaller than the sum of its proper divisors (132921270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56709450 is a wasteful number, since it uses less digits than its factorization.
56709450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398 (or 387 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 36.
The square root of 56709450 is about 7530.5677076831. The cubic root of 56709450 is about 384.1950912967.
The spelling of 56709450 in words is "fifty-six million, seven hundred nine thousand, four hundred fifty".
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