Base | Representation |
---|---|
bin | 1101100100111… |
… | …0000110110110 |
3 | 10222011000011010 |
4 | 3121032012312 |
5 | 104034134110 |
6 | 5352253050 |
7 | 1261002444 |
oct | 331160666 |
9 | 128130133 |
10 | 56943030 |
11 | 2a163161 |
12 | 170a1186 |
13 | ba49701 |
14 | 77c3b94 |
15 | 4eec020 |
hex | 364e1b6 |
56943030 has 32 divisors (see below), whose sum is σ = 144703584. Its totient is φ = 14291456.
The previous prime is 56943011. The next prime is 56943031. The reversal of 56943030 is 3034965.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56943031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55317 + ... + 56336.
It is an arithmetic number, because the mean of its divisors is an integer number (4521987).
Almost surely, 256943030 is an apocalyptic number.
56943030 is an abundant number, since it is smaller than the sum of its proper divisors (87760554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56943030 is a wasteful number, since it uses less digits than its factorization.
56943030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111680.
The product of its (nonzero) digits is 9720, while the sum is 30.
The square root of 56943030 is about 7546.0605616441. The cubic root of 56943030 is about 384.7218545343.
Adding to 56943030 its reverse (3034965), we get a palindrome (59977995).
The spelling of 56943030 in words is "fifty-six million, nine hundred forty-three thousand, thirty".
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