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30864001 = 74409143
BaseRepresentation
bin111010110111…
…1001010000001
32011002001110011
41311233022001
530400122001
63021304521
7523224340
oct165571201
964061404
1030864001
1116470643
12a405141
13651832c
144155b57
152a99d51
hex1d6f281

30864001 has 4 divisors (see below), whose sum is σ = 35273152. Its totient is φ = 26454852.

The previous prime is 30863929. The next prime is 30864017. The reversal of 30864001 is 10046803.

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 a de Polignac number, because none of the positive numbers 2k-30864001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30864601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204565 + ... + 2204578.

It is an arithmetic number, because the mean of its divisors is an integer number (8818288).

Almost surely, 230864001 is an apocalyptic number.

It is an amenable number.

30864001 is a deficient number, since it is larger than the sum of its proper divisors (4409151).

30864001 is an equidigital number, since it uses as much as digits as its factorization.

30864001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409150.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 30864001 is about 5555.5378677496. The cubic root of 30864001 is about 313.6780104988.

The spelling of 30864001 in words is "thirty million, eight hundred sixty-four thousand, one".

Divisors: 1 7 4409143 30864001