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30226947 = 328335603
BaseRepresentation
bin111001101001…
…1101000000011
32002212200120120
41303103220003
530214230242
62555511323
7514632132
oct163235003
962780516
1030226947
1116075a53
12a158543
13635438a
14402b919
1529c11ec
hex1cd3a03

30226947 has 8 divisors (see below), whose sum is σ = 40446144. Its totient is φ = 20079528.

The previous prime is 30226927. The next prime is 30226949. The reversal of 30226947 is 74962203.

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

It is not a de Polignac number, because 30226947 - 211 = 30224899 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30226949) 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, 16953 + ... + 18650.

It is an arithmetic number, because the mean of its divisors is an integer number (5055768).

Almost surely, 230226947 is an apocalyptic number.

30226947 is a deficient number, since it is larger than the sum of its proper divisors (10219197).

30226947 is a wasteful number, since it uses less digits than its factorization.

30226947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35889.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 30226947 is about 5497.9038732957. The cubic root of 30226947 is about 311.5048131879.

The spelling of 30226947 in words is "thirty million, two hundred twenty-six thousand, nine hundred forty-seven".

Divisors: 1 3 283 849 35603 106809 10075649 30226947