30454950 has 48 divisors (see below), whose sum is σ = 75995136. Its totient is φ = 8071200.

The previous prime is 30454909. The next prime is 30454951. The reversal of 30454950 is 5945403.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30454951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28119 + ... + 29181.

It is an arithmetic number, because the mean of its divisors is an integer number (1583232).

Almost surely, 2^30454950 is an apocalyptic number.

30454950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30454950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37997568).

30454950 is an abundant number, since it is smaller than the sum of its proper divisors (45540186).

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

30454950 is a wasteful number, since it uses less digits than its factorization.

30454950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 30454950 is about 5518.6003660349. The cubic root of 30454950 is about 312.2860829331.

The spelling of 30454950 in words is "thirty million, four hundred fifty-four thousand, nine hundred fifty".