Search a number
-
+
465454081 = 2331997657
BaseRepresentation
bin11011101111100…
…100010000000001
31012102211111222001
4123233210100001
51423124012311
6114104144001
714351202661
oct3357442001
91172744861
10465454081
112198115a4
1210ba68001
137557ac21
1445b621a1
152ace24c1
hex1bbe4401

465454081 has 4 divisors (see below), whose sum is σ = 467451972. Its totient is φ = 463456192.

The previous prime is 465454051. The next prime is 465454091. The reversal of 465454081 is 180454564.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 268304400 + 197149681 = 16380^2 + 14041^2 .

It is a cyclic number.

It is not a de Polignac number, because 465454081 - 25 = 465454049 is a prime.

It is a super-2 number, since 2×4654540812 = 433295003039109122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 465454081.

It is not an unprimeable number, because it can be changed into a prime (465454021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998596 + ... + 999061.

It is an arithmetic number, because the mean of its divisors is an integer number (116862993).

Almost surely, 2465454081 is an apocalyptic number.

It is an amenable number.

465454081 is a deficient number, since it is larger than the sum of its proper divisors (1997891).

465454081 is a wasteful number, since it uses less digits than its factorization.

465454081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997890.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 465454081 is about 21574.3848347989. The cubic root of 465454081 is about 774.9831871483.

The spelling of 465454081 in words is "four hundred sixty-five million, four hundred fifty-four thousand, eighty-one".

Divisors: 1 233 1997657 465454081