Search a number
-
+
461897344 = 2717375737
BaseRepresentation
bin11011100001111…
…111111010000000
31012012010211001001
4123201333322000
51421221203334
6113500021344
714306030326
oct3341777200
91165124031
10461897344
11217802347
1210a831854
137490404c
14454b7d16
152a83d714
hex1b87fe80

461897344 has 64 divisors (see below), whose sum is σ = 1000821960. Its totient is φ = 211451904.

The previous prime is 461897329. The next prime is 461897369. The reversal of 461897344 is 443798164.

It can be written as a sum of positive squares in 4 ways, for example, as 403527744 + 58369600 = 20088^2 + 7640^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 461897294 and 461897303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77644 + ... + 83380.

Almost surely, 2461897344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461897344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500410980).

461897344 is an abundant number, since it is smaller than the sum of its proper divisors (538924616).

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

461897344 is a wasteful number, since it uses less digits than its factorization.

461897344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805 (or 5793 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 461897344 is about 21491.7971328598. The cubic root of 461897344 is about 773.0041431519.

It can be divided in two parts, 461897 and 344, that added together give a triangular number (462241 = T961).

The spelling of 461897344 in words is "four hundred sixty-one million, eight hundred ninety-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 17 32 34 37 64 68 74 128 136 148 272 296 544 592 629 1088 1184 1258 2176 2368 2516 4736 5032 5737 10064 11474 20128 22948 40256 45896 80512 91792 97529 183584 195058 212269 367168 390116 424538 734336 780232 849076 1560464 1698152 3120928 3396304 3608573 6241856 6792608 7217146 12483712 13585216 14434292 27170432 28868584 57737168 115474336 230948672 461897344