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30327725 = 521213109
BaseRepresentation
bin111001110110…
…0001110101101
32010001210211002
41303230032231
530230441400
63002010045
7515532011
oct163541655
963053732
1030327725
111613473a
12a1a6925
13638b1cc
144056541
1529e0ed5
hex1cec3ad

30327725 has 6 divisors (see below), whose sum is σ = 37606410. Its totient is φ = 24262160.

The previous prime is 30327709. The next prime is 30327749. The reversal of 30327725 is 52772303.

It can be written as a sum of positive squares in 3 ways, for example, as 676 + 30327049 = 26^2 + 5507^2 .

It is not a de Polignac number, because 30327725 - 24 = 30327709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606530 + ... + 606579.

It is an arithmetic number, because the mean of its divisors is an integer number (6267735).

Almost surely, 230327725 is an apocalyptic number.

It is an amenable number.

30327725 is a deficient number, since it is larger than the sum of its proper divisors (7278685).

30327725 is a wasteful number, since it uses less digits than its factorization.

30327725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213119 (or 1213114 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 30327725 is about 5507.0613760880. The cubic root of 30327725 is about 311.8506195106.

The spelling of 30327725 in words is "thirty million, three hundred twenty-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 1213109 6065545 30327725