Search a number
-
+
2240134140 = 223537335569
BaseRepresentation
bin1000010110000101…
…1011101111111100
312210010012121100010
42011201123233330
514041433243030
61010141503220
7106340553216
oct20541335774
95703177303
102240134140
11a4a551a32
12526271b10
1329914427a
141737275b6
15d19e86b0
hex8585bbfc

2240134140 has 24 divisors (see below), whose sum is σ = 6272375760. Its totient is φ = 597369088.

The previous prime is 2240134139. The next prime is 2240134177. The reversal of 2240134140 is 414310422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18667725 + ... + 18667844.

It is an arithmetic number, because the mean of its divisors is an integer number (261348990).

Almost surely, 22240134140 is an apocalyptic number.

2240134140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240134140 is an abundant number, since it is smaller than the sum of its proper divisors (4032241620).

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

2240134140 is a wasteful number, since it uses less digits than its factorization.

2240134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37335581 (or 37335579 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2240134140 is about 47330.0553559786. The cubic root of 2240134140 is about 1308.4526414609.

Adding to 2240134140 its reverse (414310422), we get a palindrome (2654444562).

The spelling of 2240134140 in words is "two billion, two hundred forty million, one hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 37335569 74671138 112006707 149342276 186677845 224013414 373355690 448026828 560033535 746711380 1120067070 2240134140