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67692434 = 21571931117
BaseRepresentation
bin1000000100011…
…10011110010010
311201101010120012
410002032132102
5114312124214
610414514522
71451243015
oct402163622
9151333505
1067692434
1135235367
121a805a42
13110413c4
148dc137c
155e2203e
hex408e792

67692434 has 16 divisors (see below), whose sum is σ = 102806808. Its totient is φ = 33426432.

The previous prime is 67692377. The next prime is 67692439. The reversal of 67692434 is 43429676.

It can be written as a sum of positive squares in 4 ways, for example, as 24750625 + 42941809 = 4975^2 + 6553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67692391 and 67692400.

It is not an unprimeable number, because it can be changed into a prime (67692439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60044 + ... + 61160.

Almost surely, 267692434 is an apocalyptic number.

67692434 is a deficient number, since it is larger than the sum of its proper divisors (35114374).

67692434 is a wasteful number, since it uses less digits than its factorization.

67692434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469.

The product of its digits is 217728, while the sum is 41.

The square root of 67692434 is about 8227.5411879856. The cubic root of 67692434 is about 407.5491985212.

The spelling of 67692434 in words is "sixty-seven million, six hundred ninety-two thousand, four hundred thirty-four".

Divisors: 1 2 157 193 314 386 1117 2234 30301 60602 175369 215581 350738 431162 33846217 67692434