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30041043 = 341923899
BaseRepresentation
bin111001010011…
…0001111010011
32002112020120020
41302212033103
530142303133
62551514523
7513226134
oct162461723
962466506
1030041043
1115a5930a
12a088a43
1362ba886
143dbdc8b
1529860b3
hex1ca63d3

30041043 has 8 divisors (see below), whose sum is σ = 40152000. Its totient is φ = 19978728.

The previous prime is 30041041. The next prime is 30041087. The reversal of 30041043 is 34014003.

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

It is not a de Polignac number, because 30041043 - 21 = 30041041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30041041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10693 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (5019000).

Almost surely, 230041043 is an apocalyptic number.

30041043 is a deficient number, since it is larger than the sum of its proper divisors (10110957).

30041043 is a wasteful number, since it uses less digits than its factorization.

30041043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24321.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30041043 is about 5480.9709906184. The cubic root of 30041043 is about 310.8648861842.

Adding to 30041043 its reverse (34014003), we get a palindrome (64055046).

The spelling of 30041043 in words is "thirty million, forty-one thousand, forty-three".

Divisors: 1 3 419 1257 23899 71697 10013681 30041043