Search a number
-
+
2547242944 = 2643925597
BaseRepresentation
bin1001011111010011…
…1101011111000000
320120112002100102021
42113310331133000
520204043233234
61100432131224
7120060131161
oct22764753700
96515070367
102547242944
111097941364
125b1096b14
1331796095c
141a242b768
15ed95d9b4
hex97d3d7c0

2547242944 has 28 divisors (see below), whose sum is σ = 5172241624. Its totient is φ = 1244001024.

The previous prime is 2547242881. The next prime is 2547242953. The reversal of 2547242944 is 4492427452.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 2547242944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460047 + ... + 465550.

Almost surely, 22547242944 is an apocalyptic number.

It is an amenable number.

2547242944 is an abundant number, since it is smaller than the sum of its proper divisors (2624998680).

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

2547242944 is an equidigital number, since it uses as much as digits as its factorization.

2547242944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925652 (or 925642 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The square root of 2547242944 is about 50470.2183866882. The cubic root of 2547242944 is about 1365.7046537288.

The spelling of 2547242944 in words is "two billion, five hundred forty-seven million, two hundred forty-two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 43 64 86 172 344 688 1376 2752 925597 1851194 3702388 7404776 14809552 29619104 39800671 59238208 79601342 159202684 318405368 636810736 1273621472 2547242944