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30120334 = 215060167
BaseRepresentation
bin111001011100…
…1100110001110
32002200021022221
41302321212032
530202322314
62553325554
7514006246
oct162714616
962607287
1030120334
1116002942
12a1068ba
1363179aa
144000b26
15299e824
hex1cb998e

30120334 has 4 divisors (see below), whose sum is σ = 45180504. Its totient is φ = 15060166.

The previous prime is 30120323. The next prime is 30120341. The reversal of 30120334 is 43302103.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530082 + ... + 7530085.

It is an arithmetic number, because the mean of its divisors is an integer number (11295126).

Almost surely, 230120334 is an apocalyptic number.

30120334 is a deficient number, since it is larger than the sum of its proper divisors (15060170).

30120334 is a wasteful number, since it uses less digits than its factorization.

30120334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15060169.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30120334 is about 5488.1995226121. The cubic root of 30120334 is about 311.1381471497.

Adding to 30120334 its reverse (43302103), we get a palindrome (73422437).

The spelling of 30120334 in words is "thirty million, one hundred twenty thousand, three hundred thirty-four".

Divisors: 1 2 15060167 30120334