Search a number
-
+
2421120524 = 2219178717827
BaseRepresentation
bin1001000001001111…
…0101111000001100
320020201202122222112
42100103311320030
514424301324044
61040125003152
7113666120264
oct22023657014
96221678875
102421120524
111032728759
125769b34b8
132c77a20c4
1418d79a7a4
15e284909e
hex904f5e0c

2421120524 has 24 divisors (see below), whose sum is σ = 4462704960. Its totient is φ = 1146140496.

The previous prime is 2421120521. The next prime is 2421120539. The reversal of 2421120524 is 4250211242.

It is a self number, because there is not a number n which added to its sum of digits gives 2421120524.

It is not an unprimeable number, because it can be changed into a prime (2421120521) 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, 126899 + ... + 144725.

It is an arithmetic number, because the mean of its divisors is an integer number (185946040).

Almost surely, 22421120524 is an apocalyptic number.

It is an amenable number.

2421120524 is a deficient number, since it is larger than the sum of its proper divisors (2041584436).

2421120524 is a wasteful number, since it uses less digits than its factorization.

2421120524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637 (or 19635 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2421120524 is about 49204.8831316568. The cubic root of 2421120524 is about 1342.7818728058.

Adding to 2421120524 its reverse (4250211242), we get a palindrome (6671331766).

The spelling of 2421120524 in words is "two billion, four hundred twenty-one million, one hundred twenty thousand, five hundred twenty-four".

Divisors: 1 2 4 19 38 76 1787 3574 7148 17827 33953 35654 67906 71308 135812 338713 677426 1354852 31856849 63713698 127427396 605280131 1210560262 2421120524