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30334025 = 527915359
BaseRepresentation
bin111001110110…
…1110001001001
32010002010110102
41303231301021
530231142100
63002055145
7515556251
oct163556111
963063412
1030334025
1116139447
12a1aa4b5
136391037
144058961
1529e2cd5
hex1cedc49

30334025 has 12 divisors (see below), whose sum is σ = 38092800. Its totient is φ = 23958480.

The previous prime is 30334009. The next prime is 30334039. The reversal of 30334025 is 52043303.

It is not a de Polignac number, because 30334025 - 24 = 30334009 is a prime.

It is a super-3 number, since 3×303340253 (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30333988 and 30334006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5705 + ... + 9654.

It is an arithmetic number, because the mean of its divisors is an integer number (3174400).

Almost surely, 230334025 is an apocalyptic number.

It is an amenable number.

30334025 is a deficient number, since it is larger than the sum of its proper divisors (7758775).

30334025 is a wasteful number, since it uses less digits than its factorization.

30334025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15448 (or 15443 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 30334025 is about 5507.6333392847. The cubic root of 30334025 is about 311.8722116663.

Adding to 30334025 its reverse (52043303), we get a palindrome (82377328).

The spelling of 30334025 in words is "thirty million, three hundred thirty-four thousand, twenty-five".

Divisors: 1 5 25 79 395 1975 15359 76795 383975 1213361 6066805 30334025