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30205416 = 2331258559
BaseRepresentation
bin111001100111…
…0010111101000
32002211121001010
41303032113220
530213033131
62555223520
7514512303
oct163162750
962747033
1030205416
111606085a
12a147ba0
136347637
144023b3a
1529b9b46
hex1cce5e8

30205416 has 16 divisors (see below), whose sum is σ = 75513600. Its totient is φ = 10068464.

The previous prime is 30205403. The next prime is 30205433. The reversal of 30205416 is 61450203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30205392 and 30205401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629256 + ... + 629303.

It is an arithmetic number, because the mean of its divisors is an integer number (4719600).

Almost surely, 230205416 is an apocalyptic number.

It is an amenable number.

30205416 is an abundant number, since it is smaller than the sum of its proper divisors (45308184).

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

30205416 is a wasteful number, since it uses less digits than its factorization.

30205416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258568 (or 1258564 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30205416 is about 5495.9454145761. The cubic root of 30205416 is about 311.4308328059.

Adding to 30205416 its reverse (61450203), we get a palindrome (91655619).

The spelling of 30205416 in words is "thirty million, two hundred five thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 1258559 2517118 3775677 5034236 7551354 10068472 15102708 30205416