30195026 has 16 divisors (see below), whose sum is σ = 48099096. Its totient is φ = 14167296.

The previous prime is 30195013. The next prime is 30195029. The reversal of 30195026 is 62059103.

It is a Cunningham number, because it is equal to 5495²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 30195025 + 1 = 5495^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30194986 and 30195004.

It is not an unprimeable number, because it can be changed into a prime (30195029) 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, 12380 + ... + 14616.

Almost surely, 2^30195026 is an apocalyptic number.

30195026 is a deficient number, since it is larger than the sum of its proper divisors (17904070).

30195026 is a wasteful number, since it uses less digits than its factorization.

30195026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 30195026 is about 5495.0000909918. Note that the first 4 decimals coincide. The cubic root of 30195026 is about 311.3951202543.

The spelling of 30195026 in words is "thirty million, one hundred ninety-five thousand, twenty-six".