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30954243 = 368315107
BaseRepresentation
bin111011000010…
…1001100000011
32011020122020110
41312011030003
530411013433
63023242403
7524051415
oct166051403
964218213
1030954243
1116522421
12a449403
13654a428
14417a9b5
152ab6963
hex1d85303

30954243 has 8 divisors (see below), whose sum is σ = 41335488. Its totient is φ = 20604584.

The previous prime is 30954239. The next prime is 30954293. The reversal of 30954243 is 34245903.

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 30954243 - 22 = 30954239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30954243.

It is not an unprimeable number, because it can be changed into a prime (30954293) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5505 + ... + 9602.

It is an arithmetic number, because the mean of its divisors is an integer number (5166936).

Almost surely, 230954243 is an apocalyptic number.

30954243 is a deficient number, since it is larger than the sum of its proper divisors (10381245).

30954243 is a wasteful number, since it uses less digits than its factorization.

30954243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15793.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 30954243 is about 5563.6537455165. The cubic root of 30954243 is about 313.9834298260.

The spelling of 30954243 in words is "thirty million, nine hundred fifty-four thousand, two hundred forty-three".

Divisors: 1 3 683 2049 15107 45321 10318081 30954243