Search a number
-
+
458468472609 = 327219216972
BaseRepresentation
bin1101010101111101101…
…10011011011100100001
31121211101110022112010100
412222332312123130201
530002420412110414
6550341214253013
745060163501200
oct6527666333441
91554343275110
10458468472609
11167487556244
1274a301b7169
13343059b7cb4
14182934a7237
15bdd4975609
hex6abed9b721

458468472609 has 81 divisors (see below), whose sum is σ = 813509937747. Its totient is φ = 248047204608.

The previous prime is 458468472599. The next prime is 458468472643. The reversal of 458468472609 is 906274864854.

The square root of 458468472609 is 677103.

It is a perfect power (a square), and thus also a powerful number.

458468472609 is a `hidden beast` number, since 4 + 584 + 6 + 8 + 47 + 2 + 6 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 441340992225 + 17127480384 = 664335^2 + 130872^2 .

It is not a de Polignac number, because 458468472609 - 227 = 458334254881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (458468472109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 270163249 + ... + 270164945.

Almost surely, 2458468472609 is an apocalyptic number.

458468472609 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

458468472609 is the 677103-rd square number.

458468472609 is the 338552-nd centered octagonal number.

It is an amenable number.

458468472609 is a deficient number, since it is larger than the sum of its proper divisors (355041465138).

458468472609 is an equidigital number, since it uses as much as digits as its factorization.

458468472609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452 (or 1726 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 458468472609 in words is "four hundred fifty-eight billion, four hundred sixty-eight million, four hundred seventy-two thousand, six hundred nine".

Divisors: 1 3 7 9 19 21 49 57 63 133 147 171 361 399 441 931 1083 1197 1697 2527 2793 3249 5091 7581 8379 11879 15273 17689 22743 32243 35637 53067 83153 96729 106911 159201 225701 249459 290187 612617 677103 748377 1579907 1837851 2031309 2879809 4288319 4739721 5513553 8639427 12864957 14219163 20158663 25918281 30018233 38594871 54716371 60475989 90054699 141110641 164149113 181427967 270164097 383014597 423331923 492447339 1039611049 1149043791 1269995769 2681102179 3118833147 3447131373 7277277343 8043306537 9356499441 21831832029 24129919611 50940941401 65495496087 152822824203 458468472609