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30941271 = 34381991
BaseRepresentation
bin111011000001…
…0000001010111
32011012222110000
41312002001113
530410110041
63023102343
7523665534
oct166020127
964188400
1030941271
11165136a9
12a4419b3
13654455a
144175d8b
152ab2bb6
hex1d82057

30941271 has 10 divisors (see below), whose sum is σ = 46221032. Its totient is φ = 20627460.

The previous prime is 30941263. The next prime is 30941299. The reversal of 30941271 is 17214903.

It is not a de Polignac number, because 30941271 - 23 = 30941263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30941171) 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 9 ways as a sum of consecutive naturals, for example, 190915 + ... + 191076.

Almost surely, 230941271 is an apocalyptic number.

30941271 is a deficient number, since it is larger than the sum of its proper divisors (15279761).

30941271 is an equidigital number, since it uses as much as digits as its factorization.

30941271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382003 (or 381994 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 30941271 is about 5562.4878426833. The cubic root of 30941271 is about 313.9395633341.

The spelling of 30941271 in words is "thirty million, nine hundred forty-one thousand, two hundred seventy-one".

Divisors: 1 3 9 27 81 381991 1145973 3437919 10313757 30941271