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30968349 = 331332993
BaseRepresentation
bin111011000100…
…0101000011101
32011021100120220
41312020220131
530411441344
63023431553
7524140506
oct166105035
964240526
1030968349
1116531a85
12a4555b9
136553989
144181bad
152abac19
hex1d88a1d

30968349 has 8 divisors (see below), whose sum is σ = 42623232. Its totient is φ = 19979520.

The previous prime is 30968341. The next prime is 30968369. The reversal of 30968349 is 94386903.

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

It is not a de Polignac number, because 30968349 - 23 = 30968341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30968349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30968341) 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, 166404 + ... + 166589.

It is an arithmetic number, because the mean of its divisors is an integer number (5327904).

Almost surely, 230968349 is an apocalyptic number.

It is an amenable number.

30968349 is a deficient number, since it is larger than the sum of its proper divisors (11654883).

30968349 is a wasteful number, since it uses less digits than its factorization.

30968349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333027.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 30968349 is about 5564.9212932440. The cubic root of 30968349 is about 314.0311171780.

The spelling of 30968349 in words is "thirty million, nine hundred sixty-eight thousand, three hundred forty-nine".

Divisors: 1 3 31 93 332993 998979 10322783 30968349