Search a number
-
+
2664431204 = 22666107801
BaseRepresentation
bin1001111011001111…
…1111111001100100
320212200121010111012
42132303333321210
520424043244304
61120220001352
7123012202001
oct23663777144
96780533435
102664431204
111148002666
12624390258
13336011b16
141b3c148a8
15108dab16e
hex9ecffe64

2664431204 has 6 divisors (see below), whose sum is σ = 4662754614. Its totient is φ = 1332215600.

The previous prime is 2664431201. The next prime is 2664431219. The reversal of 2664431204 is 4021344662.

It can be written as a sum of positive squares in only one way, i.e., 1389798400 + 1274632804 = 37280^2 + 35702^2 .

It is not an unprimeable number, because it can be changed into a prime (2664431201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333053897 + ... + 333053904.

It is an arithmetic number, because the mean of its divisors is an integer number (777125769).

Almost surely, 22664431204 is an apocalyptic number.

It is an amenable number.

2664431204 is a deficient number, since it is larger than the sum of its proper divisors (1998323410).

2664431204 is a wasteful number, since it uses less digits than its factorization.

2664431204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666107805 (or 666107803 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2664431204 is about 51618.1286371368. The cubic root of 2664431204 is about 1386.3349445609.

Adding to 2664431204 its reverse (4021344662), we get a palindrome (6685775866).

The spelling of 2664431204 in words is "two billion, six hundred sixty-four million, four hundred thirty-one thousand, two hundred four".

Divisors: 1 2 4 666107801 1332215602 2664431204