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30828095 = 511354563
BaseRepresentation
bin111010110011…
…0011000111111
32011000020012022
41311212120333
530342444340
63020430355
7523014554
oct165463077
964006168
1030828095
1116446671
12a3a83bb
136504b9c
144146a2b
152a8e3b5
hex1d6663f

30828095 has 8 divisors (see below), whose sum is σ = 37321776. Its totient is φ = 24443776.

The previous prime is 30828059. The next prime is 30828113. The reversal of 30828095 is 59082803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30828095 - 222 = 26633791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26717 + ... + 27846.

It is an arithmetic number, because the mean of its divisors is an integer number (4665222).

Almost surely, 230828095 is an apocalyptic number.

30828095 is a deficient number, since it is larger than the sum of its proper divisors (6493681).

30828095 is a wasteful number, since it uses less digits than its factorization.

30828095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54681.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 30828095 is about 5552.3053770483. The cubic root of 30828095 is about 313.5563229586.

The spelling of 30828095 in words is "thirty million, eight hundred twenty-eight thousand, ninety-five".

Divisors: 1 5 113 565 54563 272815 6165619 30828095