30402150 has 72 divisors (see below), whose sum is σ = 78410904. Its totient is φ = 7795200.

The previous prime is 30402143. The next prime is 30402173. The reversal of 30402150 is 5120403.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 126030 + ... + 126270.

Almost surely, 2^30402150 is an apocalyptic number.

30402150 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 30402150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39205452).

30402150 is an abundant number, since it is smaller than the sum of its proper divisors (48008754).

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

30402150 is a wasteful number, since it uses less digits than its factorization.

30402150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 30402150 is about 5513.8144691311. The cubic root of 30402150 is about 312.1055075451.

Adding to 30402150 its reverse (5120403), we get a palindrome (35522553).

The spelling of 30402150 in words is "thirty million, four hundred two thousand, one hundred fifty".