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30325047 = 310108349
BaseRepresentation
bin111001110101…
…1100100110111
32010001200010220
41303223210313
530230400142
63001545423
7515521134
oct163534467
963050126
1030325047
1116132725
12a1a5273
136389c1c
14405558b
1529e02ec
hex1ceb937

30325047 has 4 divisors (see below), whose sum is σ = 40433400. Its totient is φ = 20216696.

The previous prime is 30325033. The next prime is 30325049. The reversal of 30325047 is 74052303.

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 30325047 - 210 = 30324023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30325049) 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, 5054172 + ... + 5054177.

It is an arithmetic number, because the mean of its divisors is an integer number (10108350).

Almost surely, 230325047 is an apocalyptic number.

30325047 is a deficient number, since it is larger than the sum of its proper divisors (10108353).

30325047 is a wasteful number, since it uses less digits than its factorization.

30325047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108352.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 30325047 is about 5506.8182283420. The cubic root of 30325047 is about 311.8414402251.

The spelling of 30325047 in words is "thirty million, three hundred twenty-five thousand, forty-seven".

Divisors: 1 3 10108349 30325047