Search a number
-
+
461148688 = 247111328793
BaseRepresentation
bin11011011111001…
…001001000010000
31012010201210002001
4123133021020100
51421023224223
6113432003344
714266461550
oct3337111020
91163653061
10461148688
11217340920
1210a530554
1374701360
1445361160
152a7419ad
hex1b7c9210

461148688 has 80 divisors (see below), whose sum is σ = 1199673216. Its totient is φ = 165841920.

The previous prime is 461148683. The next prime is 461148697. The reversal of 461148688 is 886841164.

It is a super-2 number, since 2×4611486882 = 425316224888242688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461148683) 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 15 ways as a sum of consecutive naturals, for example, 1620 + ... + 30412.

Almost surely, 2461148688 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 461148688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599836608).

461148688 is an abundant number, since it is smaller than the sum of its proper divisors (738524528).

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

461148688 is a wasteful number, since it uses less digits than its factorization.

461148688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28832 (or 28826 counting only the distinct ones).

The product of its digits is 294912, while the sum is 46.

The square root of 461148688 is about 21474.3728197123. The cubic root of 461148688 is about 772.5862818064.

The spelling of 461148688 in words is "four hundred sixty-one million, one hundred forty-eight thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 11 13 14 16 22 26 28 44 52 56 77 88 91 104 112 143 154 176 182 208 286 308 364 572 616 728 1001 1144 1232 1456 2002 2288 4004 8008 16016 28793 57586 115172 201551 230344 316723 374309 403102 460688 633446 748618 806204 1266892 1497236 1612408 2217061 2533784 2620163 2994472 3224816 4117399 4434122 5067568 5240326 5988944 8234798 8868244 10480652 16469596 17736488 20961304 28821793 32939192 35472976 41922608 57643586 65878384 115287172 230574344 461148688