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30066041 = 47639703
BaseRepresentation
bin111001010110…
…0010101111001
32002120111212002
41302230111321
530144103131
62552230345
7513362045
oct162542571
962514762
1030066041
1115a76075
12a09b3b5
1362c9075
143dc9025
15298d6cb
hex1cac579

30066041 has 4 divisors (see below), whose sum is σ = 30705792. Its totient is φ = 29426292.

The previous prime is 30066031. The next prime is 30066053. The reversal of 30066041 is 14066003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30066041 - 26 = 30065977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30066031) 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, 319805 + ... + 319898.

It is an arithmetic number, because the mean of its divisors is an integer number (7676448).

Almost surely, 230066041 is an apocalyptic number.

It is an amenable number.

30066041 is a deficient number, since it is larger than the sum of its proper divisors (639751).

30066041 is an equidigital number, since it uses as much as digits as its factorization.

30066041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639750.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30066041 is about 5483.2509517621. The cubic root of 30066041 is about 310.9510887608.

The spelling of 30066041 in words is "thirty million, sixty-six thousand, forty-one".

Divisors: 1 47 639703 30066041