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3040320242 = 21520160121
BaseRepresentation
bin1011010100110111…
…1001101011110010
321211212220021022102
42311031321223302
522211310221432
61221404340402
7135225203261
oct26515715362
97755807272
103040320242
1113201aa663
1270a244702
13395b60a7b
1420bb005d8
1512bdaa962
hexb5379af2

3040320242 has 4 divisors (see below), whose sum is σ = 4560480366. Its totient is φ = 1520160120.

The previous prime is 3040320233. The next prime is 3040320247. The reversal of 3040320242 is 2420230403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2420230403 = 15491562447.

It can be written as a sum of positive squares in only one way, i.e., 2838651841 + 201668401 = 53279^2 + 14201^2 .

It is not an unprimeable number, because it can be changed into a prime (3040320247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760080059 + ... + 760080062.

Almost surely, 23040320242 is an apocalyptic number.

3040320242 is a deficient number, since it is larger than the sum of its proper divisors (1520160124).

3040320242 is a wasteful number, since it uses less digits than its factorization.

3040320242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520160123.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3040320242 is about 55139.0990314495. The cubic root of 3040320242 is about 1448.6821545099.

Adding to 3040320242 its reverse (2420230403), we get a palindrome (5460550645).

The spelling of 3040320242 in words is "three billion, forty million, three hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 1520160121 3040320242