Search a number
-
+
2440201453 = 4356748871
BaseRepresentation
bin1001000101110010…
…1000010011101101
320022001200002002121
42101130220103231
514444142421303
61042045552541
7114320240644
oct22134502355
96261602077
102440201453
111042480518
12581275751
132cb7230b1
1419212635b
15e43679bd
hex917284ed

2440201453 has 4 divisors (see below), whose sum is σ = 2496950368. Its totient is φ = 2383452540.

The previous prime is 2440201429. The next prime is 2440201493. The reversal of 2440201453 is 3541020442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2440201453 is a prime.

It is a super-2 number, since 2×24402014532 = 11909166262446622418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440201493) 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, 28374393 + ... + 28374478.

It is an arithmetic number, because the mean of its divisors is an integer number (624237592).

Almost surely, 22440201453 is an apocalyptic number.

It is an amenable number.

2440201453 is a deficient number, since it is larger than the sum of its proper divisors (56748915).

2440201453 is an equidigital number, since it uses as much as digits as its factorization.

2440201453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56748914.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2440201453 is about 49398.3952472143. The cubic root of 2440201453 is about 1346.3001488078.

Adding to 2440201453 its reverse (3541020442), we get a palindrome (5981221895).

The spelling of 2440201453 in words is "two billion, four hundred forty million, two hundred one thousand, four hundred fifty-three".

Divisors: 1 43 56748871 2440201453