Search a number
-
+
48679209 = 325408801
BaseRepresentation
bin1011100110110…
…0100100101001
310101121011022200
42321230210221
544430213314
64455210413
71130523615
oct271544451
9111534280
1048679209
1125529457
1214376a09
13a115187
146672345
154418709
hex2e6c929

48679209 has 6 divisors (see below), whose sum is σ = 70314426. Its totient is φ = 32452800.

The previous prime is 48679199. The next prime is 48679219. The reversal of 48679209 is 90297684.

It is a happy number.

48679209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (48679199) and next prime (48679219).

It can be written as a sum of positive squares in only one way, i.e., 24472809 + 24206400 = 4947^2 + 4920^2 .

It is not a de Polignac number, because 48679209 - 29 = 48678697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48679219) 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, 2704392 + ... + 2704409.

It is an arithmetic number, because the mean of its divisors is an integer number (11719071).

Almost surely, 248679209 is an apocalyptic number.

It is an amenable number.

48679209 is a deficient number, since it is larger than the sum of its proper divisors (21635217).

48679209 is a wasteful number, since it uses less digits than its factorization.

48679209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408807 (or 5408804 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 48679209 is about 6977.0487313763. The cubic root of 48679209 is about 365.1302693827.

The spelling of 48679209 in words is "forty-eight million, six hundred seventy-nine thousand, two hundred nine".

Divisors: 1 3 9 5408801 16226403 48679209