Search a number
-
+
48047778 = 2322669321
BaseRepresentation
bin1011011101001…
…0011010100010
310100102002011100
42313102122202
544300012103
64433455230
71122253662
oct267223242
9110362140
1048047778
1125138009
1214111516
139c5394c
14654a1a2
1543415a3
hex2dd26a2

48047778 has 12 divisors (see below), whose sum is σ = 104103558. Its totient is φ = 16015920.

The previous prime is 48047773. The next prime is 48047801. The reversal of 48047778 is 87774084.

48047778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34892649 + 13155129 = 5907^2 + 3627^2 .

It is not an unprimeable number, because it can be changed into a prime (48047773) 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 5 ways as a sum of consecutive naturals, for example, 1334643 + ... + 1334678.

Almost surely, 248047778 is an apocalyptic number.

48047778 is an abundant number, since it is smaller than the sum of its proper divisors (56055780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48047778 is a wasteful number, since it uses less digits than its factorization.

48047778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669329 (or 2669326 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 48047778 is about 6931.6504528143. The cubic root of 48047778 is about 363.5446596747.

The spelling of 48047778 in words is "forty-eight million, forty-seven thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 9 18 2669321 5338642 8007963 16015926 24023889 48047778