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30039427 = 117337409
BaseRepresentation
bin111001010010…
…1110110000011
32002112011100101
41302211312003
530142230202
62551503231
7513221335
oct162456603
962464311
1030039427
1115a58080
12a087b17
1362b9c12
143dbd455
152985887
hex1ca5d83

30039427 has 8 divisors (see below), whose sum is σ = 33220080. Its totient is φ = 26933760.

The previous prime is 30039421. The next prime is 30039431. The reversal of 30039427 is 72493003.

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 30039427 - 219 = 29515139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30039395 and 30039404.

It is not an unprimeable number, because it can be changed into a prime (30039421) 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, 17902 + ... + 19507.

It is an arithmetic number, because the mean of its divisors is an integer number (4152510).

Almost surely, 230039427 is an apocalyptic number.

30039427 is a deficient number, since it is larger than the sum of its proper divisors (3180653).

30039427 is a wasteful number, since it uses less digits than its factorization.

30039427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37493.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 30039427 is about 5480.8235695012. The cubic root of 30039427 is about 310.8593119584.

The spelling of 30039427 in words is "thirty million, thirty-nine thousand, four hundred twenty-seven".

Divisors: 1 11 73 803 37409 411499 2730857 30039427