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30328258 = 229796619
BaseRepresentation
bin111001110110…
…0010111000010
32010001211112211
41303230113002
530231001013
63002012334
7515533402
oct163542702
963054484
1030328258
1116135084
12a1a70aa
13638b51c
144056802
1529e123d
hex1cec5c2

30328258 has 16 divisors (see below), whose sum is σ = 47664000. Its totient is φ = 14453712.

The previous prime is 30328253. The next prime is 30328267. The reversal of 30328258 is 85282303.

It is not an unprimeable number, because it can be changed into a prime (30328253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273 + ... + 7891.

It is an arithmetic number, because the mean of its divisors is an integer number (2979000).

Almost surely, 230328258 is an apocalyptic number.

30328258 is a deficient number, since it is larger than the sum of its proper divisors (17335742).

30328258 is a wasteful number, since it uses less digits than its factorization.

30328258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 30328258 is about 5507.1097682904. The cubic root of 30328258 is about 311.8524463913.

It can be divided in two parts, 303 and 28258, that added together give a 4-th power (28561 = 134).

The spelling of 30328258 in words is "thirty million, three hundred twenty-eight thousand, two hundred fifty-eight".

Divisors: 1 2 29 58 79 158 2291 4582 6619 13238 191951 383902 522901 1045802 15164129 30328258