Search a number
-
+
9144946454 = 274991309039
BaseRepresentation
bin10001000010001010…
…01100111100010110
3212121022211102011112
420201011030330112
5122212101241304
64111235535022
7442422522320
oct104105147426
925538742145
109144946454
1139730a1696
12193275a472
13b297ccc27
1462a786610
15387cadb6e
hex22114cf16

9144946454 has 16 divisors (see below), whose sum is σ = 15708480000. Its totient is φ = 3911405544.

The previous prime is 9144946453. The next prime is 9144946469. The reversal of 9144946454 is 4546494419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9144946453) 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, 647534 + ... + 661505.

It is an arithmetic number, because the mean of its divisors is an integer number (981780000).

Almost surely, 29144946454 is an apocalyptic number.

9144946454 is a deficient number, since it is larger than the sum of its proper divisors (6563533546).

9144946454 is a wasteful number, since it uses less digits than its factorization.

9144946454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309547.

The product of its digits is 2488320, while the sum is 50.

The square root of 9144946454 is about 95629.2133921429. The cubic root of 9144946454 is about 2091.1911019217.

The spelling of 9144946454 in words is "nine billion, one hundred forty-four million, nine hundred forty-six thousand, four hundred fifty-four".

Divisors: 1 2 7 14 499 998 3493 6986 1309039 2618078 9163273 18326546 653210461 1306420922 4572473227 9144946454