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30034215 = 325667427
BaseRepresentation
bin111001010010…
…0100100100111
32002111220012100
41302210210213
530142043330
62551423143
7513200211
oct162444447
962456170
1030034215
1115a54172
12a084ab3
1362b7733
143dbb5b1
152984060
hex1ca4927

30034215 has 12 divisors (see below), whose sum is σ = 52059384. Its totient is φ = 16018224.

The previous prime is 30034211. The next prime is 30034219. The reversal of 30034215 is 51243003.

It is an interprime number because it is at equal distance from previous prime (30034211) and next prime (30034219).

It is not a de Polignac number, because 30034215 - 22 = 30034211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30034211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333669 + ... + 333758.

It is an arithmetic number, because the mean of its divisors is an integer number (4338282).

Almost surely, 230034215 is an apocalyptic number.

30034215 is a deficient number, since it is larger than the sum of its proper divisors (22025169).

30034215 is a wasteful number, since it uses less digits than its factorization.

30034215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667438 (or 667435 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30034215 is about 5480.3480728873. The cubic root of 30034215 is about 310.8413323384.

Adding to 30034215 its reverse (51243003), we get a palindrome (81277218).

The spelling of 30034215 in words is "thirty million, thirty-four thousand, two hundred fifteen".

Divisors: 1 3 5 9 15 45 667427 2002281 3337135 6006843 10011405 30034215