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30996106 = 219815687
BaseRepresentation
bin111011000111…
…1011010001010
32011022202122221
41312033122022
530413333411
63024204254
7524314441
oct166173212
964282587
1030996106
1116550919
12a46968a
1365634bb
14418bd58
152ac4071
hex1d8f68a

30996106 has 8 divisors (see below), whose sum is σ = 48941280. Its totient is φ = 14682348.

The previous prime is 30996079. The next prime is 30996107. The reversal of 30996106 is 60169903.

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

It is not an unprimeable number, because it can be changed into a prime (30996107) 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, 407806 + ... + 407881.

It is an arithmetic number, because the mean of its divisors is an integer number (6117660).

Almost surely, 230996106 is an apocalyptic number.

30996106 is a deficient number, since it is larger than the sum of its proper divisors (17945174).

30996106 is a wasteful number, since it uses less digits than its factorization.

30996106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815708.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 30996106 is about 5567.4146603248. The cubic root of 30996106 is about 314.1249114236.

The spelling of 30996106 in words is "thirty million, nine hundred ninety-six thousand, one hundred six".

Divisors: 1 2 19 38 815687 1631374 15498053 30996106