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30803394 = 23232943179
BaseRepresentation
bin111010110000…
…0010111000010
32010221222022110
41311200113002
530341202034
63020120150
7522552546
oct165402702
963858273
1030803394
111642a056
12a396056
1364c687b
14413ba26
152a86de9
hex1d605c2

30803394 has 64 divisors (see below), whose sum is σ = 68428800. Its totient is φ = 9210432.

The previous prime is 30803387. The next prime is 30803413. The reversal of 30803394 is 49330803.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 171997 + ... + 172175.

It is an arithmetic number, because the mean of its divisors is an integer number (1069200).

Almost surely, 230803394 is an apocalyptic number.

30803394 is the 2967-th nonagonal number.

30803394 is an abundant number, since it is smaller than the sum of its proper divisors (37625406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30803394 is a wasteful number, since it uses less digits than its factorization.

30803394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 30803394 is about 5550.0805399562. The cubic root of 30803394 is about 313.4725549514.

The spelling of 30803394 in words is "thirty million, eight hundred three thousand, three hundred ninety-four".

Divisors: 1 2 3 6 23 29 43 46 58 69 86 87 129 138 174 179 258 358 537 667 989 1074 1247 1334 1978 2001 2494 2967 3741 4002 4117 5191 5934 7482 7697 8234 10382 12351 15394 15573 23091 24702 28681 31146 46182 57362 86043 119393 172086 177031 223213 238786 354062 358179 446426 531093 669639 716358 1062186 1339278 5133899 10267798 15401697 30803394