Search a number
-
+
53008986 = 238834831
BaseRepresentation
bin1100101000110…
…1101001011010
310200202010122210
43022031221122
5102032241421
65132055550
71212366102
oct312155132
9120663583
1053008986
1127a16488
12159045b6
13ac9cb84
14707c202
1549c1576
hex328da5a

53008986 has 8 divisors (see below), whose sum is σ = 106017984. Its totient is φ = 17669660.

The previous prime is 53008979. The next prime is 53008987. The reversal of 53008986 is 68980035.

53008986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

53008986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (53008987) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4417410 + ... + 4417421.

It is an arithmetic number, because the mean of its divisors is an integer number (13252248).

Almost surely, 253008986 is an apocalyptic number.

53008986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53008986 is a wasteful number, since it uses less digits than its factorization.

53008986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834836.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 53008986 is about 7280.7270241371. The cubic root of 53008986 is about 375.6498031431.

The spelling of 53008986 in words is "fifty-three million, eight thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 8834831 17669662 26504493 53008986