Search a number
-
+
44490754485 = 32517244723767
BaseRepresentation
bin101001011011110110…
…110000100110110101
311020211122012111112200
4221123312300212311
51212104113120420
632234435135113
73133344113322
oct513366604665
9136748174480
1044490754485
1117960964391
128757a44499
13427056ca38
142220b8bb49
151255d9ab90
hexa5bdb09b5

44490754485 has 48 divisors (see below), whose sum is σ = 81690425856. Its totient is φ = 22322548224.

The previous prime is 44490754481. The next prime is 44490754493. The reversal of 44490754485 is 58445709444.

44490754485 is a `hidden beast` number, since 4 + 4 + 4 + 90 + 7 + 544 + 8 + 5 = 666.

It is not a de Polignac number, because 44490754485 - 22 = 44490754481 is a prime.

It is a super-3 number, since 3×444907544853 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44490754481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1860072 + ... + 1883838.

It is an arithmetic number, because the mean of its divisors is an integer number (1701883872).

Almost surely, 244490754485 is an apocalyptic number.

44490754485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44490754485 is a deficient number, since it is larger than the sum of its proper divisors (37199671371).

44490754485 is a wasteful number, since it uses less digits than its factorization.

44490754485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26242 (or 26239 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 44490754485 in words is "forty-four billion, four hundred ninety million, seven hundred fifty-four thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 17 45 51 85 153 255 765 2447 7341 12235 22023 23767 36705 41599 71301 110115 118835 124797 207995 213903 356505 374391 404039 623985 1069515 1212117 1871955 2020195 3636351 6060585 18181755 58157849 174473547 290789245 523420641 872367735 988683433 2617103205 2966050299 4943417165 8898150897 14830251495 44490754485