Search a number
-
+
530304988 = 22418233929
BaseRepresentation
bin11111100110111…
…100111111011100
31100221212021200111
4133212330333130
52041224224423
6124342135404
716066342453
oct3746747734
91327767614
10530304988
11252385a94
12129721564
1385b35b45
1450603b9a
153185260d
hex1f9bcfdc

530304988 has 24 divisors (see below), whose sum is σ = 952066080. Its totient is φ = 258305280.

The previous prime is 530304961. The next prime is 530304989. The reversal of 530304988 is 889403035.

It is a self number, because there is not a number n which added to its sum of digits gives 530304988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530304989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133008 + ... + 136936.

It is an arithmetic number, because the mean of its divisors is an integer number (39669420).

Almost surely, 2530304988 is an apocalyptic number.

It is an amenable number.

530304988 is a deficient number, since it is larger than the sum of its proper divisors (421761092).

530304988 is a wasteful number, since it uses less digits than its factorization.

530304988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4797 (or 4795 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 530304988 is about 23028.3518298640. The cubic root of 530304988 is about 809.4224343791.

The spelling of 530304988 in words is "five hundred thirty million, three hundred four thousand, nine hundred eighty-eight".

Divisors: 1 2 4 41 82 164 823 1646 3292 3929 7858 15716 33743 67486 134972 161089 322178 644356 3233567 6467134 12934268 132576247 265152494 530304988