Search a number
-
+
2424400402 = 21212200201
BaseRepresentation
bin1001000010000001…
…0110101000010010
320020221221022010111
42100200112220102
514431121303102
61040323151534
7114036030514
oct22040265022
96227838114
102424400402
1110345689a6
12577b155aa
132c837cc68
1418ddb1bb4
15e2c95cd7
hex90816a12

2424400402 has 4 divisors (see below), whose sum is σ = 3636600606. Its totient is φ = 1212200200.

The previous prime is 2424400393. The next prime is 2424400403. The reversal of 2424400402 is 2040044242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2040044242 = 21020022121.

It can be written as a sum of positive squares in only one way, i.e., 1410678481 + 1013721921 = 37559^2 + 31839^2 .

It is not an unprimeable number, because it can be changed into a prime (2424400403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606100099 + ... + 606100102.

Almost surely, 22424400402 is an apocalyptic number.

2424400402 is a deficient number, since it is larger than the sum of its proper divisors (1212200204).

2424400402 is a wasteful number, since it uses less digits than its factorization.

2424400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212200203.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2424400402 is about 49238.2006373101. The cubic root of 2424400402 is about 1343.3879521550.

Adding to 2424400402 its reverse (2040044242), we get a palindrome (4464444644).

The spelling of 2424400402 in words is "two billion, four hundred twenty-four million, four hundred thousand, four hundred two".

Divisors: 1 2 1212200201 2424400402