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8681434 = 240910613
BaseRepresentation
bin100001000111…
…011111011010
3121100001200121
4201013133122
54210301214
6510023454
7133535206
oct41073732
917301617
108681434
11499a543
122aa7b8a
131a4c658
14121db06
15b67424
hex8477da

8681434 has 8 divisors (see below), whose sum is σ = 13055220. Its totient is φ = 4329696.

The previous prime is 8681429. The next prime is 8681447. The reversal of 8681434 is 4341868.

It can be written as a sum of positive squares in 2 ways, for example, as 5774409 + 2907025 = 2403^2 + 1705^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8681434.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4489 + ... + 6124.

Almost surely, 28681434 is an apocalyptic number.

8681434 is a deficient number, since it is larger than the sum of its proper divisors (4373786).

8681434 is a wasteful number, since it uses less digits than its factorization.

8681434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11024.

The product of its digits is 18432, while the sum is 34.

The square root of 8681434 is about 2946.4273281383. The cubic root of 8681434 is about 205.5246052040.

The spelling of 8681434 in words is "eight million, six hundred eighty-one thousand, four hundred thirty-four".

Divisors: 1 2 409 818 10613 21226 4340717 8681434