Search a number
-
+
3042959721 = 33132719997
BaseRepresentation
bin1011010101011111…
…1110000101101001
321212001212100222220
42311113332011221
522212444202341
61221541104253
7135256505454
oct26527760551
97761770886
103042959721
11132174274a
1270b0b8089
133965762a9
1420c1ca49b
1512c22ca66
hexb55fe169

3042959721 has 8 divisors (see below), whose sum is σ = 4188159744. Its totient is φ = 1963199760.

The previous prime is 3042959719. The next prime is 3042959741. The reversal of 3042959721 is 1279592403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3042959721 - 21 = 3042959719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3042959741) 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 in 7 ways as a sum of consecutive naturals, for example, 16359906 + ... + 16360091.

It is an arithmetic number, because the mean of its divisors is an integer number (523519968).

Almost surely, 23042959721 is an apocalyptic number.

3042959721 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3042959721 is a deficient number, since it is larger than the sum of its proper divisors (1145200023).

3042959721 is a wasteful number, since it uses less digits than its factorization.

3042959721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32720031.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 3042959721 is about 55163.0285698673. The cubic root of 3042959721 is about 1449.1012616882.

The spelling of 3042959721 in words is "three billion, forty-two million, nine hundred fifty-nine thousand, seven hundred twenty-one".

Divisors: 1 3 31 93 32719997 98159991 1014319907 3042959721