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48965281 = 293167117
BaseRepresentation
bin1011101011001…
…0011010100001
310102010200201221
42322302122201
5100013342111
64505255041
71133124631
oct272623241
9112120657
1048965281
1125704382
1214494481
13a1b5451
1467086c1
154473371
hex2eb26a1

48965281 has 4 divisors (see below), whose sum is σ = 49132692. Its totient is φ = 48797872.

The previous prime is 48965209. The next prime is 48965297. The reversal of 48965281 is 18256984.

It is a happy number.

48965281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41990400 + 6974881 = 6480^2 + 2641^2 .

It is a cyclic number.

It is not a de Polignac number, because 48965281 - 27 = 48965153 is a prime.

It is a super-2 number, since 2×489652812 = 4795197486817922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48965881) 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, 83266 + ... + 83851.

It is an arithmetic number, because the mean of its divisors is an integer number (12283173).

Almost surely, 248965281 is an apocalyptic number.

It is an amenable number.

48965281 is a deficient number, since it is larger than the sum of its proper divisors (167411).

48965281 is a wasteful number, since it uses less digits than its factorization.

48965281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167410.

The product of its digits is 138240, while the sum is 43.

The square root of 48965281 is about 6997.5196319839. The cubic root of 48965281 is about 365.8441237552.

The spelling of 48965281 in words is "forty-eight million, nine hundred sixty-five thousand, two hundred eighty-one".

Divisors: 1 293 167117 48965281