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30446427 = 311922619
BaseRepresentation
bin111010000100…
…1001101011011
32010021211122110
41310021031123
530243241202
63004323403
7516535044
oct164111533
963254573
1030446427
1116205940
12a243563
13640024b
1440878cb
152a1626c
hex1d0935b

30446427 has 8 divisors (see below), whose sum is σ = 44285760. Its totient is φ = 18452360.

The previous prime is 30446407. The next prime is 30446441. The reversal of 30446427 is 72464403.

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 30446427 - 212 = 30442331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30446394 and 30446403.

It is not an unprimeable number, because it can be changed into a prime (30446407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461277 + ... + 461342.

It is an arithmetic number, because the mean of its divisors is an integer number (5535720).

Almost surely, 230446427 is an apocalyptic number.

30446427 is a deficient number, since it is larger than the sum of its proper divisors (13839333).

30446427 is a wasteful number, since it uses less digits than its factorization.

30446427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922633.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 30446427 is about 5517.8281053327. The cubic root of 30446427 is about 312.2569485054.

The spelling of 30446427 in words is "thirty million, four hundred forty-six thousand, four hundred twenty-seven".

Divisors: 1 3 11 33 922619 2767857 10148809 30446427