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30350412 = 2232843067
BaseRepresentation
bin111001111000…
…1110001001100
32010002221221100
41303301301030
530232203122
63002303100
7515655111
oct163616114
963087840
1030350412
111614a794
12a1b7a90
136398631
144060908
1529e7aac
hex1cf1c4c

30350412 has 18 divisors (see below), whose sum is σ = 76719188. Its totient is φ = 10116792.

The previous prime is 30350387. The next prime is 30350431. The reversal of 30350412 is 21405303.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×303504122 = 1842295017139488, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421498 + ... + 421569.

Almost surely, 230350412 is an apocalyptic number.

It is an amenable number.

30350412 is an abundant number, since it is smaller than the sum of its proper divisors (46368776).

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

30350412 is a wasteful number, since it uses less digits than its factorization.

30350412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843077 (or 843072 counting only the distinct ones).

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

The square root of 30350412 is about 5509.1208009990. The cubic root of 30350412 is about 311.9283612642.

Adding to 30350412 its reverse (21405303), we get a palindrome (51755715).

The spelling of 30350412 in words is "thirty million, three hundred fifty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 843067 1686134 2529201 3372268 5058402 7587603 10116804 15175206 30350412