30206052 has 36 divisors (see below), whose sum is σ = 78989820. Its totient is φ = 9721152.

The previous prime is 30206047. The next prime is 30206063. The reversal of 30206052 is 25060203.

It can be written as a sum of positive squares in 2 ways, for example, as 15872256 + 14333796 = 3984^2 + 3786^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13423 + ... + 15510.

Almost surely, 2^30206052 is an apocalyptic number.

It is an amenable number.

30206052 is an abundant number, since it is smaller than the sum of its proper divisors (48783768).

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

30206052 is a wasteful number, since it uses less digits than its factorization.

30206052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28972 (or 28967 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30206052 is about 5496.0032751082. The cubic root of 30206052 is about 311.4330186018.

Adding to 30206052 its reverse (25060203), we get a palindrome (55266255).

The spelling of 30206052 in words is "thirty million, two hundred six thousand, fifty-two".