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307020484 = 2287612
BaseRepresentation
bin10010010011001…
…100001011000100
3210101201020221001
4102103030023010
51112044123414
650244303044
710415426311
oct2223141304
9711636831
10307020484
1114833a041
12869a1a84
134b7b8434
142cabdd08
151be49074
hex124cc2c4

307020484 has 9 divisors (see below), whose sum is σ = 537347181. Its totient is φ = 153492720.

The previous prime is 307020481. The next prime is 307020499. The reversal of 307020484 is 484020703.

The square root of 307020484 is 17522.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24780484 + 282240000 = 4978^2 + 16800^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307020481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 30664 + ... + 39424.

Almost surely, 2307020484 is an apocalyptic number.

307020484 is the 17522-nd square number.

It is an amenable number.

307020484 is a deficient number, since it is larger than the sum of its proper divisors (230326697).

307020484 is an frugal number, since it uses more digits than its factorization.

307020484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17526 (or 8763 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The cubic root of 307020484 is about 674.6146746367.

The spelling of 307020484 in words is "three hundred seven million, twenty thousand, four hundred eighty-four".

Divisors: 1 2 4 8761 17522 35044 76755121 153510242 307020484