Search a number
-
+
48453281 = 172850193
BaseRepresentation
bin1011100011010…
…1011010100001
310101011200101222
42320311122201
544401001111
64450304425
71125563132
oct270653241
9111150358
1048453281
1125394738
1214288115
13a0663a6
146613c89
1543c17db
hex2e356a1

48453281 has 4 divisors (see below), whose sum is σ = 51303492. Its totient is φ = 45603072.

The previous prime is 48453277. The next prime is 48453329. The reversal of 48453281 is 18235484.

48453281 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 36784225 + 11669056 = 6065^2 + 3416^2 .

It is a cyclic number.

It is not a de Polignac number, because 48453281 - 22 = 48453277 is a prime.

It is a super-2 number, since 2×484532812 = 4695440879329922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48453241) 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, 1425080 + ... + 1425113.

It is an arithmetic number, because the mean of its divisors is an integer number (12825873).

Almost surely, 248453281 is an apocalyptic number.

It is an amenable number.

48453281 is a deficient number, since it is larger than the sum of its proper divisors (2850211).

48453281 is a wasteful number, since it uses less digits than its factorization.

48453281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850210.

The product of its digits is 30720, while the sum is 35.

The square root of 48453281 is about 6960.8391017176. The cubic root of 48453281 is about 364.5645172228.

The spelling of 48453281 in words is "forty-eight million, four hundred fifty-three thousand, two hundred eighty-one".

Divisors: 1 17 2850193 48453281