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30338353 = 172113929
BaseRepresentation
bin111001110111…
…0110100110001
32010002100101201
41303232310301
530231311403
63002131201
7515605003
oct163566461
963070351
1030338353
1116141721
12a1b0b01
136392cb6
14405a373
1529e421d
hex1ceed31

30338353 has 12 divisors (see below), whose sum is σ = 32548140. Its totient is φ = 28270592.

The previous prime is 30338339. The next prime is 30338369. The reversal of 30338353 is 35383303.

It can be written as a sum of positive squares in 6 ways, for example, as 3640464 + 26697889 = 1908^2 + 5167^2 .

It is not a de Polignac number, because 30338353 - 29 = 30337841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30338303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32193 + ... + 33121.

It is an arithmetic number, because the mean of its divisors is an integer number (2712345).

Almost surely, 230338353 is an apocalyptic number.

It is an amenable number.

30338353 is a deficient number, since it is larger than the sum of its proper divisors (2209787).

30338353 is a wasteful number, since it uses less digits than its factorization.

30338353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 30338353 is about 5508.0262345054. The cubic root of 30338353 is about 311.8870434022.

The spelling of 30338353 in words is "thirty million, three hundred thirty-eight thousand, three hundred fifty-three".

Divisors: 1 17 113 289 929 1921 15793 32657 104977 268481 1784609 30338353