Search a number
-
+
130424004 = 22323622889
BaseRepresentation
bin1111100011000…
…01110011000100
3100002102020002200
413301201303010
5231342032004
620535234500
73142404624
oct761416304
9302366080
10130424004
1167691537
1237818a30
1321036789
1413470884
15b6b4239
hex7c61cc4

130424004 has 18 divisors (see below), whose sum is σ = 329682990. Its totient is φ = 43474656.

The previous prime is 130423981. The next prime is 130424057. The reversal of 130424004 is 400424031.

It can be written as a sum of positive squares in only one way, i.e., 117679104 + 12744900 = 10848^2 + 3570^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 5 ways as a sum of consecutive naturals, for example, 1811409 + ... + 1811480.

Almost surely, 2130424004 is an apocalyptic number.

It is an amenable number.

130424004 is an abundant number, since it is smaller than the sum of its proper divisors (199258986).

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

130424004 is a wasteful number, since it uses less digits than its factorization.

130424004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622899 (or 3622894 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 130424004 is about 11420.3329198408. The cubic root of 130424004 is about 507.1298524811.

Adding to 130424004 its reverse (400424031), we get a palindrome (530848035).

The spelling of 130424004 in words is "one hundred thirty million, four hundred twenty-four thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 3622889 7245778 10868667 14491556 21737334 32606001 43474668 65212002 130424004