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30224147 = 171777891
BaseRepresentation
bin111001101001…
…0111100010011
32002212112201212
41303102330103
530214133042
62555450335
7514621022
oct163227423
962775655
1030224147
1116073938
12a1569ab
136353015
14402a8b9
1529c0482
hex1cd2f13

30224147 has 4 divisors (see below), whose sum is σ = 32002056. Its totient is φ = 28446240.

The previous prime is 30224143. The next prime is 30224167. The reversal of 30224147 is 74142203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30224147 - 22 = 30224143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30224143) 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, 888929 + ... + 888962.

It is an arithmetic number, because the mean of its divisors is an integer number (8000514).

Almost surely, 230224147 is an apocalyptic number.

30224147 is a deficient number, since it is larger than the sum of its proper divisors (1777909).

30224147 is a wasteful number, since it uses less digits than its factorization.

30224147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777908.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 30224147 is about 5497.6492248960. The cubic root of 30224147 is about 311.4951943930.

The spelling of 30224147 in words is "thirty million, two hundred twenty-four thousand, one hundred forty-seven".

Divisors: 1 17 1777891 30224147