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30011343 = 323434947
BaseRepresentation
bin111001001111…
…0111111001111
32002110201211020
41302132333033
530140330333
62551125223
7513043425
oct162367717
962421736
1030011343
1115a38a6a
12a073813
1362aa1bb
143db3115
15297c3b3
hex1c9efcf

30011343 has 8 divisors (see below), whose sum is σ = 41755008. Its totient is φ = 19137624.

The previous prime is 30011321. The next prime is 30011347. The reversal of 30011343 is 34311003.

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

It is not a de Polignac number, because 30011343 - 214 = 29994959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30011347) 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, 217405 + ... + 217542.

It is an arithmetic number, because the mean of its divisors is an integer number (5219376).

Almost surely, 230011343 is an apocalyptic number.

30011343 is a deficient number, since it is larger than the sum of its proper divisors (11743665).

30011343 is a wasteful number, since it uses less digits than its factorization.

30011343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434973.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30011343 is about 5478.2609466874. The cubic root of 30011343 is about 310.7624071478.

Adding to 30011343 its reverse (34311003), we get a palindrome (64322346).

The spelling of 30011343 in words is "thirty million, eleven thousand, three hundred forty-three".

Divisors: 1 3 23 69 434947 1304841 10003781 30011343