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30994337 = 112817667
BaseRepresentation
bin111011000111…
…0111110100001
32011022200020102
41312032332201
530413304322
63024152145
7524306333
oct166167641
964280212
1030994337
111654a560
12a468655
13656275a
14418b453
152ac3792
hex1d8efa1

30994337 has 4 divisors (see below), whose sum is σ = 33812016. Its totient is φ = 28176660.

The previous prime is 30994333. The next prime is 30994351. The reversal of 30994337 is 73349903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30994337 - 22 = 30994333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30994337.

It is not an unprimeable number, because it can be changed into a prime (30994333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408823 + ... + 1408844.

It is an arithmetic number, because the mean of its divisors is an integer number (8453004).

Almost surely, 230994337 is an apocalyptic number.

It is an amenable number.

30994337 is a deficient number, since it is larger than the sum of its proper divisors (2817679).

30994337 is a wasteful number, since it uses less digits than its factorization.

30994337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817678.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 30994337 is about 5567.2557871900. The cubic root of 30994337 is about 314.1189354305.

The spelling of 30994337 in words is "thirty million, nine hundred ninety-four thousand, three hundred thirty-seven".

Divisors: 1 11 2817667 30994337