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30321427 = 415411367
BaseRepresentation
bin111001110101…
…0101100010011
32010001111011211
41303222230103
530230241202
63001520551
7515504443
oct163525423
963044154
1030321427
111612aa34
12a1a3157
136388396
144054123
1529de1d7
hex1ceab13

30321427 has 8 divisors (see below), whose sum is σ = 31141152. Its totient is φ = 29505600.

The previous prime is 30321413. The next prime is 30321433. The reversal of 30321427 is 72412303.

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

It is a cyclic number.

It is not a de Polignac number, because 30321427 - 27 = 30321299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30321398 and 30321407.

It is not an unprimeable number, because it can be changed into a prime (30321437) 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, 21498 + ... + 22864.

It is an arithmetic number, because the mean of its divisors is an integer number (3892644).

Almost surely, 230321427 is an apocalyptic number.

30321427 is a deficient number, since it is larger than the sum of its proper divisors (819725).

30321427 is a wasteful number, since it uses less digits than its factorization.

30321427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30321427 is about 5506.4895350849. The cubic root of 30321427 is about 311.8290312206.

The spelling of 30321427 in words is "thirty million, three hundred twenty-one thousand, four hundred twenty-seven".

Divisors: 1 41 541 1367 22181 56047 739547 30321427