Search a number
-
+
30039041 = 291035829
BaseRepresentation
bin111001010010…
…1110000000001
32002112010211002
41302211300001
530142222131
62551501345
7513220244
oct162456001
962463732
1030039041
1115a5785a
12a087855
1362b99a6
143dbd25b
1529856cb
hex1ca5c01

30039041 has 4 divisors (see below), whose sum is σ = 31074900. Its totient is φ = 29003184.

The previous prime is 30039007. The next prime is 30039043. The reversal of 30039041 is 14093003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14984641 + 15054400 = 3871^2 + 3880^2 .

It is a cyclic number.

It is not a de Polignac number, because 30039041 - 210 = 30038017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30039043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517886 + ... + 517943.

It is an arithmetic number, because the mean of its divisors is an integer number (7768725).

Almost surely, 230039041 is an apocalyptic number.

It is an amenable number.

30039041 is a deficient number, since it is larger than the sum of its proper divisors (1035859).

30039041 is a wasteful number, since it uses less digits than its factorization.

30039041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035858.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30039041 is about 5480.7883557021. The cubic root of 30039041 is about 310.8579804616.

The spelling of 30039041 in words is "thirty million, thirty-nine thousand, forty-one".

Divisors: 1 29 1035829 30039041