[go: up one dir, main page]

Search a number
-
+
8348148 = 2232231893
BaseRepresentation
bin11111110110000111110100
3120201010111200
4133312013310
54114120043
6454532500
7130646424
oct37660764
916633450
108348148
1147920a6
122967130
131963a43
141174484
15aed7d3
hex7f61f4

8348148 has 18 divisors (see below), whose sum is σ = 21102354. Its totient is φ = 2782704.

The previous prime is 8348147. The next prime is 8348159. The reversal of 8348148 is 8418438.

It can be written as a sum of positive squares in only one way, i.e., 4235364 + 4112784 = 2058^2 + 2028^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 231893 = 8348148 / (8 + 3 + 4 + 8 + 1 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8348147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115911 + ... + 115982.

It is an arithmetic number, because the mean of its divisors is an integer number (1172353).

Almost surely, 28348148 is an apocalyptic number.

It is an amenable number.

8348148 is an abundant number, since it is smaller than the sum of its proper divisors (12754206).

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

8348148 is a wasteful number, since it uses less digits than its factorization.

8348148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231903 (or 231898 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 8348148 is about 2889.3161820749. The cubic root of 8348148 is about 202.8601364556.

The spelling of 8348148 in words is "eight million, three hundred forty-eight thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 231893 463786 695679 927572 1391358 2087037 2782716 4174074 8348148