Search a number
-
+
461145378 = 2397179153
BaseRepresentation
bin11011011111001…
…000010100100010
31012010201121112110
4123133020110202
51421023123003
6113431540150
714266446111
oct3337102442
91163647473
10461145378
11217339391
1210a52a656
13746cc9b5
144535dc78
152a740a03
hex1b7c8522

461145378 has 16 divisors (see below), whose sum is σ = 923252256. Its totient is φ = 153554880.

The previous prime is 461145329. The next prime is 461145379. The reversal of 461145378 is 873541164.

It is not an unprimeable number, because it can be changed into a prime (461145379) 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, 33751 + ... + 45402.

It is an arithmetic number, because the mean of its divisors is an integer number (57703266).

Almost surely, 2461145378 is an apocalyptic number.

461145378 is an abundant number, since it is smaller than the sum of its proper divisors (462106878).

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

461145378 is a wasteful number, since it uses less digits than its factorization.

461145378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80129.

The product of its digits is 80640, while the sum is 39.

The square root of 461145378 is about 21474.2957509670. The cubic root of 461145378 is about 772.5844333305.

The spelling of 461145378 in words is "four hundred sixty-one million, one hundred forty-five thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 971 1942 2913 5826 79153 158306 237459 474918 76857563 153715126 230572689 461145378