Search a number
-
+
1224540060 = 223520409001
BaseRepresentation
bin100100011111100…
…1111111110011100
310011100012002011120
41020333033332130
510001440240220
6321302050540
742226263432
oct11077177634
93140162146
101224540060
11579248087
122a2119a50
13166907223
14b88bad52
1572786a40
hex48fcff9c

1224540060 has 24 divisors (see below), whose sum is σ = 3428712336. Its totient is φ = 326544000.

The previous prime is 1224540019. The next prime is 1224540061. The reversal of 1224540060 is 600454221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224540060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224540061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10204441 + ... + 10204560.

It is an arithmetic number, because the mean of its divisors is an integer number (142863014).

Almost surely, 21224540060 is an apocalyptic number.

1224540060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224540060 is an abundant number, since it is smaller than the sum of its proper divisors (2204172276).

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

1224540060 is a wasteful number, since it uses less digits than its factorization.

1224540060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20409013 (or 20409011 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1224540060 is about 34993.4288117069. The cubic root of 1224540060 is about 1069.8535508653.

Adding to 1224540060 its reverse (600454221), we get a palindrome (1824994281).

The spelling of 1224540060 in words is "one billion, two hundred twenty-four million, five hundred forty thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 20409001 40818002 61227003 81636004 102045005 122454006 204090010 244908012 306135015 408180020 612270030 1224540060