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30425211 = 323791367
BaseRepresentation
bin111010000010…
…0000001111011
32010020202112200
41310010001323
530242101321
63004041243
7516416145
oct164040173
963222480
1030425211
11161a0a03
12a233223
1363c36ab
14407dc95
152a0ed26
hex1d0407b

30425211 has 12 divisors (see below), whose sum is σ = 45135792. Its totient is φ = 19735056.

The previous prime is 30425183. The next prime is 30425221. The reversal of 30425211 is 11252403.

30425211 is a `hidden beast` number, since 30 + 425 + 211 = 666.

It is not a de Polignac number, because 30425211 - 213 = 30417019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30425221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45351 + ... + 46016.

It is an arithmetic number, because the mean of its divisors is an integer number (3761316).

Almost surely, 230425211 is an apocalyptic number.

30425211 is a deficient number, since it is larger than the sum of its proper divisors (14710581).

30425211 is a wasteful number, since it uses less digits than its factorization.

30425211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91410 (or 91407 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 30425211 is about 5515.9052747487. The cubic root of 30425211 is about 312.1844015931.

Adding to 30425211 its reverse (11252403), we get a palindrome (41677614).

The spelling of 30425211 in words is "thirty million, four hundred twenty-five thousand, two hundred eleven".

Divisors: 1 3 9 37 111 333 91367 274101 822303 3380579 10141737 30425211