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30946197 = 343239893
BaseRepresentation
bin111011000001…
…1001110010101
32011020020012110
41312003032111
530410234242
63023141233
7524016102
oct166031625
964206173
1030946197
1116517377
12a444819
136546879
144177aa9
152ab439c
hex1d83395

30946197 has 8 divisors (see below), whose sum is σ = 42221344. Its totient is φ = 20150928.

The previous prime is 30946189. The next prime is 30946207. The reversal of 30946197 is 79164903.

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

It is not a de Polignac number, because 30946197 - 23 = 30946189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30946127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119818 + ... + 120075.

It is an arithmetic number, because the mean of its divisors is an integer number (5277668).

Almost surely, 230946197 is an apocalyptic number.

It is an amenable number.

30946197 is a deficient number, since it is larger than the sum of its proper divisors (11275147).

30946197 is a wasteful number, since it uses less digits than its factorization.

30946197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239939.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 30946197 is about 5562.9306125459. The cubic root of 30946197 is about 313.9562226824.

The spelling of 30946197 in words is "thirty million, nine hundred forty-six thousand, one hundred ninety-seven".

Divisors: 1 3 43 129 239893 719679 10315399 30946197