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30354233 = 713333563
BaseRepresentation
bin111001111001…
…0101100111001
32010010011011212
41303302230321
530232313413
63002332505
7516002210
oct163625471
963104155
1030354233
1116152648
12a1ba135
13639a2b0
144062077
1529e8ca8
hex1cf2b39

30354233 has 8 divisors (see below), whose sum is σ = 37359168. Its totient is φ = 24016464.

The previous prime is 30354217. The next prime is 30354241. The reversal of 30354233 is 33245303.

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 30354233 - 24 = 30354217 is a prime.

It is a super-2 number, since 2×303542332 = 1842758922036578, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30354199 and 30354208.

It is not an unprimeable number, because it can be changed into a prime (30354253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166691 + ... + 166872.

It is an arithmetic number, because the mean of its divisors is an integer number (4669896).

Almost surely, 230354233 is an apocalyptic number.

It is an amenable number.

30354233 is a deficient number, since it is larger than the sum of its proper divisors (7004935).

30354233 is a wasteful number, since it uses less digits than its factorization.

30354233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333583.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 30354233 is about 5509.4675786323. The cubic root of 30354233 is about 311.9414509081.

Adding to 30354233 its reverse (33245303), we get a palindrome (63599536).

The spelling of 30354233 in words is "thirty million, three hundred fifty-four thousand, two hundred thirty-three".

Divisors: 1 7 13 91 333563 2334941 4336319 30354233