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30080041 = 54135557
BaseRepresentation
bin111001010111…
…1110000101001
32002121020001121
41302233300221
530200030131
62552415241
7513450625
oct162576051
962536047
1030080041
1115a85642
12a0a7521
136302554
143dd0185
152992911
hex1cafc29

30080041 has 4 divisors (see below), whose sum is σ = 30091012. Its totient is φ = 30069072.

The previous prime is 30080033. The next prime is 30080053. The reversal of 30080041 is 14008003.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18662400 + 11417641 = 4320^2 + 3379^2 .

It is a cyclic number.

It is not a de Polignac number, because 30080041 - 23 = 30080033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30079997 and 30080024.

It is not an unprimeable number, because it can be changed into a prime (30080081) 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, 2635 + ... + 8191.

It is an arithmetic number, because the mean of its divisors is an integer number (7522753).

Almost surely, 230080041 is an apocalyptic number.

It is an amenable number.

30080041 is a deficient number, since it is larger than the sum of its proper divisors (10971).

30080041 is an equidigital number, since it uses as much as digits as its factorization.

30080041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 30080041 is about 5484.5274181100. The cubic root of 30080041 is about 310.9993451943. Note that the first 3 decimals are identical.

Adding to 30080041 its reverse (14008003), we get a palindrome (44088044).

The spelling of 30080041 in words is "thirty million, eighty thousand, forty-one".

Divisors: 1 5413 5557 30080041