Search a number
-
+
8281364004 = 22322925232
BaseRepresentation
bin1111011011001101…
…11001011000100100
3210101010211212202100
413231212321120210
5113430012122004
63445430212100
7412135301244
oct75546713044
923333755670
108281364004
11356a683391
1217314b4030
13a1c9175b4
14587bc9b24
15337077739
hex1ed9b9624

8281364004 has 81 divisors (see below), whose sum is σ = 21721714833. Its totient is φ = 2660170464.

The previous prime is 8281363973. The next prime is 8281364009. The reversal of 8281364004 is 4004631828.

The square root of 8281364004 is 91002.

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

8281364004 is a `hidden beast` number, since 8 + 2 + 8 + 1 + 3 + 640 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4342546404 + 3938817600 = 65898^2 + 62760^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8281364004.

It is not an unprimeable number, because it can be changed into a prime (8281364009) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15834087 + ... + 15834609.

Almost surely, 28281364004 is an apocalyptic number.

8281364004 is the 91002-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8281364004

8281364004 is an abundant number, since it is smaller than the sum of its proper divisors (13440350829).

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

8281364004 is a wasteful number, since it uses less digits than its factorization.

8281364004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The cubic root of 8281364004 is about 2023.1773675941.

Multiplying 8281364004 by its sum of digits (36), we get a square (298129104144 = 5460122).

8281364004 divided by its sum of digits (36) gives a square (230037889 = 151672).

Multiplying 8281364004 by its product of nonzero digits (36864), we get a square (305284202643456 = 174723842).

The spelling of 8281364004 in words is "eight billion, two hundred eighty-one million, three hundred sixty-four thousand, four".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 523 841 1044 1046 1569 1682 2092 2523 3138 3364 4707 5046 6276 7569 9414 10092 15138 15167 18828 30276 30334 45501 60668 91002 136503 182004 273006 273529 439843 546012 547058 820587 879686 1094116 1319529 1641174 1759372 2461761 2639058 3282348 3958587 4923522 5278116 7917174 7932341 9847044 15834348 15864682 23797023 31729364 47594046 71391069 95188092 142782138 230037889 285564276 460075778 690113667 920151556 1380227334 2070341001 2760454668 4140682002 8281364004