52280930 has 32 divisors (see below), whose sum is σ = 101700144. Its totient is φ = 19236096.

The previous prime is 52280923. The next prime is 52280941. The reversal of 52280930 is 3908225.

It can be written as a sum of positive squares in 8 ways, for example, as 2845969 + 49434961 = 1687^2 + 7031^2 .

It is a super-3 number, since 3×52280930³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52280893 and 52280902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51104 + ... + 52116.

Almost surely, 2^52280930 is an apocalyptic number.

52280930 is a deficient number, since it is larger than the sum of its proper divisors (49419214).

52280930 is a wasteful number, since it uses less digits than its factorization.

52280930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 52280930 is about 7230.5553037094. Note that the first 3 decimals coincide. The cubic root of 52280930 is about 373.9220718989.

The spelling of 52280930 in words is "fifty-two million, two hundred eighty thousand, nine hundred thirty".