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30969211 = 713340321
BaseRepresentation
bin111011000100…
…0110101111011
32011021101202211
41312020311323
530412003321
63023435551
7524143150
oct166106573
964241684
1030969211
1116532699
12a455bb7
1365541a0
144182227
152abb0e1
hex1d88d7b

30969211 has 8 divisors (see below), whose sum is σ = 38116064. Its totient is φ = 24503040.

The previous prime is 30969199. The next prime is 30969233. The reversal of 30969211 is 11296903.

30969211 = T490 + T491 + ... + T671.

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 30969211 - 25 = 30969179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30969011) 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, 170070 + ... + 170251.

It is an arithmetic number, because the mean of its divisors is an integer number (4764508).

Almost surely, 230969211 is an apocalyptic number.

30969211 is a deficient number, since it is larger than the sum of its proper divisors (7146853).

30969211 is a wasteful number, since it uses less digits than its factorization.

30969211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340341.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 30969211 is about 5564.9987421382. The cubic root of 30969211 is about 314.0340308229.

The spelling of 30969211 in words is "thirty million, nine hundred sixty-nine thousand, two hundred eleven".

Divisors: 1 7 13 91 340321 2382247 4424173 30969211