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56905050 = 2352973911
BaseRepresentation
bin1101100100010…
…0110101011010
310222002002001110
43121010311122
5104031430200
65351401150
71260453636
oct331046532
9128062043
1056905050
112a137674
12170831b6
13ba35337
1477b3dc6
154ee0b50
hex3644d5a

56905050 has 48 divisors (see below), whose sum is σ = 142615872. Its totient is φ = 15014400.

The previous prime is 56904997. The next prime is 56905073. The reversal of 56905050 is 5050965.

It is a happy number.

56905050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 junction number, because it is equal to n+sod(n) for n = 56904999 and 56905017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12595 + ... + 16505.

It is an arithmetic number, because the mean of its divisors is an integer number (2971164).

Almost surely, 256905050 is an apocalyptic number.

56905050 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 56905050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71307936).

56905050 is an abundant number, since it is smaller than the sum of its proper divisors (85710822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56905050 is a wasteful number, since it uses less digits than its factorization.

56905050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023 (or 4018 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 56905050 is about 7543.5435970106. The cubic root of 56905050 is about 384.6363012727.

The spelling of 56905050 in words is "fifty-six million, nine hundred five thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 97 150 194 291 485 582 970 1455 2425 2910 3911 4850 7275 7822 11733 14550 19555 23466 39110 58665 97775 117330 195550 293325 379367 586650 758734 1138101 1896835 2276202 3793670 5690505 9484175 11381010 18968350 28452525 56905050