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30543041 is a prime number
BaseRepresentation
bin111010010000…
…0110011000001
32010110202011202
41310200303001
530304334131
63010350545
7520416524
oct164406301
963422152
1030543041
1116271491
12a28b455
136435209
1440b0bbb
152a34bcb
hex1d20cc1

30543041 has 2 divisors, whose sum is σ = 30543042. Its totient is φ = 30543040.

The previous prime is 30543031. The next prime is 30543047. The reversal of 30543041 is 14034503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22363441 + 8179600 = 4729^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 30543041 - 218 = 30280897 is a prime.

It is not a weakly prime, because it can be changed into another prime (30543047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15271520 + 15271521.

It is an arithmetic number, because the mean of its divisors is an integer number (15271521).

Almost surely, 230543041 is an apocalyptic number.

It is an amenable number.

30543041 is a deficient number, since it is larger than the sum of its proper divisors (1).

30543041 is an equidigital number, since it uses as much as digits as its factorization.

30543041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30543041 is about 5526.5758838543. The cubic root of 30543041 is about 312.5868891187.

Adding to 30543041 its reverse (14034503), we get a palindrome (44577544).

The spelling of 30543041 in words is "thirty million, five hundred forty-three thousand, forty-one".