Search a number
-
+
2220350004 = 223261676389
BaseRepresentation
bin1000010001010111…
…1101101000110100
312201201222110121100
42010111331220310
514021402200004
61004153450100
7106010443425
oct20425755064
95651873540
102220350004
11a3a369904
1251b710930
13295008192
14170c5764c
15ceddb739
hex8457da34

2220350004 has 18 divisors (see below), whose sum is σ = 5612551490. Its totient is φ = 740116656.

The previous prime is 2220349981. The next prime is 2220350029. The reversal of 2220350004 is 4000530222.

It can be written as a sum of positive squares in only one way, i.e., 2073891600 + 146458404 = 45540^2 + 12102^2 .

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30838159 + ... + 30838230.

Almost surely, 22220350004 is an apocalyptic number.

It is an amenable number.

2220350004 is an abundant number, since it is smaller than the sum of its proper divisors (3392201486).

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

2220350004 is a wasteful number, since it uses less digits than its factorization.

2220350004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61676399 (or 61676394 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2220350004 is about 47120.5900217729. The cubic root of 2220350004 is about 1304.5893030967.

Adding to 2220350004 its reverse (4000530222), we get a palindrome (6220880226).

The spelling of 2220350004 in words is "two billion, two hundred twenty million, three hundred fifty thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 61676389 123352778 185029167 246705556 370058334 555087501 740116668 1110175002 2220350004