Search a number
-
+
48322981 = 711361091
BaseRepresentation
bin1011100001010…
…1100110100101
310100221001200001
42320111212211
544332313411
64443421301
71124511220
oct270254645
9110831601
1048322981
1125305853
1214224831
13a01bca5
1465bc5b7
154397dc1
hex2e159a5

48322981 has 8 divisors (see below), whose sum is σ = 55715904. Its totient is φ = 41052480.

The previous prime is 48322973. The next prime is 48322987. The reversal of 48322981 is 18922384.

48322981 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.

It is not a de Polignac number, because 48322981 - 23 = 48322973 is a prime.

It is a super-2 number, since 2×483229812 = 4670220985452722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48322981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48322987) 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 7 ways as a sum of consecutive naturals, for example, 29755 + ... + 31336.

It is an arithmetic number, because the mean of its divisors is an integer number (6964488).

Almost surely, 248322981 is an apocalyptic number.

It is an amenable number.

48322981 is a deficient number, since it is larger than the sum of its proper divisors (7392923).

48322981 is a wasteful number, since it uses less digits than its factorization.

48322981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61211.

The product of its digits is 27648, while the sum is 37.

The square root of 48322981 is about 6951.4732970788. The cubic root of 48322981 is about 364.2374296268.

The spelling of 48322981 in words is "forty-eight million, three hundred twenty-two thousand, nine hundred eighty-one".

Divisors: 1 7 113 791 61091 427637 6903283 48322981