Search a number
-
+
530404188 = 22344200349
BaseRepresentation
bin11111100111010…
…101001101011100
31100222001022202120
4133213111031130
52041240413223
6124344222540
716100234616
oct3747251534
91328038676
10530404188
11252443576
1212976aa50
1385b6c042
145062bdb6
1531871be3
hex1f9d535c

530404188 has 12 divisors (see below), whose sum is σ = 1237609800. Its totient is φ = 176801392.

The previous prime is 530404187. The next prime is 530404241. The reversal of 530404188 is 881404035.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530404187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22100163 + ... + 22100186.

It is an arithmetic number, because the mean of its divisors is an integer number (103134150).

Almost surely, 2530404188 is an apocalyptic number.

It is an amenable number.

530404188 is an abundant number, since it is smaller than the sum of its proper divisors (707205612).

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

530404188 is a wasteful number, since it uses less digits than its factorization.

530404188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44200356 (or 44200354 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 530404188 is about 23030.5055958396. The cubic root of 530404188 is about 809.4729020037.

The spelling of 530404188 in words is "five hundred thirty million, four hundred four thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 44200349 88400698 132601047 176801396 265202094 530404188