Search a number
-
+
48243681 = 344871223
BaseRepresentation
bin1011100000001…
…0001111100001
310100210000220000
42320002033201
544322244211
64442010213
71124031063
oct270021741
9110700800
1048243681
1125261212
12141a6969
139cc1b75
14659b733
15437e656
hex2e023e1

48243681 has 20 divisors (see below), whose sum is σ = 72274752. Its totient is φ = 32070168.

The previous prime is 48243677. The next prime is 48243683. The reversal of 48243681 is 18634284.

It is not a de Polignac number, because 48243681 - 22 = 48243677 is a prime.

It is a super-2 number, since 2×482436812 = 4654905512859522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48243683) 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 19 ways as a sum of consecutive naturals, for example, 38836 + ... + 40058.

Almost surely, 248243681 is an apocalyptic number.

It is an amenable number.

48243681 is a deficient number, since it is larger than the sum of its proper divisors (24031071).

48243681 is a wasteful number, since it uses less digits than its factorization.

48243681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1713 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 48243681 is about 6945.7671282588. The cubic root of 48243681 is about 364.0380776694.

The spelling of 48243681 in words is "forty-eight million, two hundred forty-three thousand, six hundred eighty-one".

Divisors: 1 3 9 27 81 487 1223 1461 3669 4383 11007 13149 33021 39447 99063 595601 1786803 5360409 16081227 48243681