30882534 has 16 divisors (see below), whose sum is σ = 62333040. Its totient is φ = 10199520.

The previous prime is 30882521. The next prime is 30882559. The reversal of 30882534 is 43528803.

30882534 = 17² + 18² + ... + 452².

It is a super-2 number, since 2×30882534² = 1907461812522312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30882495 and 30882504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22957 + ... + 24264.

It is an arithmetic number, because the mean of its divisors is an integer number (3895815).

Almost surely, 2^30882534 is an apocalyptic number.

30882534 is an abundant number, since it is smaller than the sum of its proper divisors (31450506).

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

30882534 is a wasteful number, since it uses less digits than its factorization.

30882534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47335.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 30882534 is about 5557.2055927417. The cubic root of 30882534 is about 313.7407829972.

The spelling of 30882534 in words is "thirty million, eight hundred eighty-two thousand, five hundred thirty-four".