30156100 has 36 divisors (see below), whose sum is σ = 70475524. Its totient is φ = 11134080.

The previous prime is 30156053. The next prime is 30156103. The reversal of 30156100 is 165103.

It can be written as a sum of positive squares in 6 ways, for example, as 11614464 + 18541636 = 3408^2 + 4306^2 .

It is not an unprimeable number, because it can be changed into a prime (30156103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10299 + ... + 12898.

Almost surely, 2^30156100 is an apocalyptic number.

It is an amenable number.

30156100 is an abundant number, since it is smaller than the sum of its proper divisors (40319424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30156100 is a wasteful number, since it uses less digits than its factorization.

30156100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23224 (or 23217 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 30156100 is about 5491.4570015616. The cubic root of 30156100 is about 311.2612507559.

The spelling of 30156100 in words is "thirty million, one hundred fifty-six thousand, one hundred".