Search a number
-
+
530641784 = 23151439273
BaseRepresentation
bin11111101000001…
…111001101111000
31100222111101200102
4133220033031320
52041321014114
6124353254532
716102244411
oct3750171570
91328441612
10530641784
11252596032
12129864448
1385c2322a
1450690808
15318bc2de
hex1fa0f378

530641784 has 16 divisors (see below), whose sum is σ = 1001544720. Its totient is φ = 263563200.

The previous prime is 530641781. The next prime is 530641799. The reversal of 530641784 is 487146035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530641781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218429 + ... + 220844.

It is an arithmetic number, because the mean of its divisors is an integer number (62596545).

Almost surely, 2530641784 is an apocalyptic number.

It is an amenable number.

530641784 is a deficient number, since it is larger than the sum of its proper divisors (470902936).

530641784 is a wasteful number, since it uses less digits than its factorization.

530641784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439430 (or 439426 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 530641784 is about 23035.6633071418. The cubic root of 530641784 is about 809.5937524905.

The spelling of 530641784 in words is "five hundred thirty million, six hundred forty-one thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 151 302 604 1208 439273 878546 1757092 3514184 66330223 132660446 265320892 530641784