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30856027 = 48016427
BaseRepresentation
bin111010110110…
…1001101011011
32011001122111211
41311231031123
530344343102
63021203551
7523162156
oct165551533
964048454
1030856027
1116465654
12a4005b7
136514807
144152c9d
152a977d7
hex1d6d35b

30856027 has 4 divisors (see below), whose sum is σ = 30867256. Its totient is φ = 30844800.

The previous prime is 30855977. The next prime is 30856043. The reversal of 30856027 is 72065803.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30856027 - 219 = 30331739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30856027.

It is not an unprimeable number, because it can be changed into a prime (30856097) 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, 1588 + ... + 8014.

It is an arithmetic number, because the mean of its divisors is an integer number (7716814).

Almost surely, 230856027 is an apocalyptic number.

30856027 is a deficient number, since it is larger than the sum of its proper divisors (11229).

30856027 is an equidigital number, since it uses as much as digits as its factorization.

30856027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11228.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 30856027 is about 5554.8201591051. The cubic root of 30856027 is about 313.6509943007.

The spelling of 30856027 in words is "thirty million, eight hundred fifty-six thousand, twenty-seven".

Divisors: 1 4801 6427 30856027