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2642323284 = 2232292530961
BaseRepresentation
bin1001110101111110…
…1010011101010100
320211010222221010100
42131133222131110
520402413321114
61114110054100
7122323243266
oct23537523524
96733887110
102642323284
111136582657
12618aaa330
13331571103
141b0cdbb36
15106e90909
hex9d7ea754

2642323284 has 36 divisors (see below), whose sum is σ = 6909526260. Its totient is φ = 850402560.

The previous prime is 2642323279. The next prime is 2642323303. The reversal of 2642323284 is 4823232462.

2642323284 is a `hidden beast` number, since 2 + 642 + 3 + 2 + 3 + 2 + 8 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1468575684 + 1173747600 = 38322^2 + 34260^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1264437 + ... + 1266524.

It is an arithmetic number, because the mean of its divisors is an integer number (191931285).

Almost surely, 22642323284 is an apocalyptic number.

It is an amenable number.

2642323284 is an abundant number, since it is smaller than the sum of its proper divisors (4267202976).

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

2642323284 is a wasteful number, since it uses less digits than its factorization.

2642323284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531000 (or 2530995 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 2642323284 is about 51403.5337695766. The cubic root of 2642323284 is about 1382.4899532857.

The spelling of 2642323284 in words is "two billion, six hundred forty-two million, three hundred twenty-three thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 2530961 5061922 7592883 10123844 15185766 22778649 30371532 45557298 73397869 91114596 146795738 220193607 293591476 440387214 660580821 880774428 1321161642 2642323284