Search a number
-
+
48254281 = 192539699
BaseRepresentation
bin1011100000010…
…0110101001001
310100210120102121
42320010311021
544323114111
64442131241
71124104015
oct270046511
9110716377
1048254281
1125269179
12141b0b21
139cc693a
1465a1545
154382871
hex2e04d49

48254281 has 4 divisors (see below), whose sum is σ = 50794000. Its totient is φ = 45714564.

The previous prime is 48254263. The next prime is 48254303. The reversal of 48254281 is 18245284.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48254281 - 221 = 46157129 is a prime.

It is a super-2 number, since 2×482542812 = 4656951269653922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48254201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269831 + ... + 1269868.

It is an arithmetic number, because the mean of its divisors is an integer number (12698500).

Almost surely, 248254281 is an apocalyptic number.

It is an amenable number.

48254281 is a deficient number, since it is larger than the sum of its proper divisors (2539719).

48254281 is a wasteful number, since it uses less digits than its factorization.

48254281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539718.

The product of its digits is 20480, while the sum is 34.

The square root of 48254281 is about 6946.5301410128. The cubic root of 48254281 is about 364.0647376102.

The spelling of 48254281 in words is "forty-eight million, two hundred fifty-four thousand, two hundred eighty-one".

Divisors: 1 19 2539699 48254281