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30270516 = 2232522543
BaseRepresentation
bin111001101111…
…0010000110100
32002221220100020
41303132100310
530222124031
63000445140
7515203143
oct163362064
962856306
1030270516
11160a5761
12a1797b0
13636b163
14403d75a
1529ce096
hex1cde434

30270516 has 12 divisors (see below), whose sum is σ = 70631232. Its totient is φ = 10090168.

The previous prime is 30270503. The next prime is 30270547. The reversal of 30270516 is 61507203.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1261260 + ... + 1261283.

It is an arithmetic number, because the mean of its divisors is an integer number (5885936).

Almost surely, 230270516 is an apocalyptic number.

It is an amenable number.

30270516 is an abundant number, since it is smaller than the sum of its proper divisors (40360716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30270516 is a wasteful number, since it uses less digits than its factorization.

30270516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522550 (or 2522548 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 30270516 is about 5501.8647747832. The cubic root of 30270516 is about 311.6544085977.

Adding to 30270516 its reverse (61507203), we get a palindrome (91777719).

The spelling of 30270516 in words is "thirty million, two hundred seventy thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 2522543 5045086 7567629 10090172 15135258 30270516