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67950057 = 373235717
BaseRepresentation
bin1000000110011…
…01010111101001
311201212012221210
410003031113221
5114343400212
610424223333
71453365060
oct403152751
9151765853
1067950057
11353a097a
121a90ab49
1311101746
14904b1d7
155e7353c
hex40cd5e9

67950057 has 8 divisors (see below), whose sum is σ = 103542976. Its totient is φ = 38828592.

The previous prime is 67950049. The next prime is 67950059. The reversal of 67950057 is 75005976.

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

It is not a de Polignac number, because 67950057 - 23 = 67950049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67949997 and 67950024.

It is not an unprimeable number, because it can be changed into a prime (67950059) 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 7 ways as a sum of consecutive naturals, for example, 1617838 + ... + 1617879.

It is an arithmetic number, because the mean of its divisors is an integer number (12942872).

Almost surely, 267950057 is an apocalyptic number.

It is an amenable number.

67950057 is a deficient number, since it is larger than the sum of its proper divisors (35592919).

67950057 is a wasteful number, since it uses less digits than its factorization.

67950057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235727.

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 67950057 is about 8243.1824558237. The cubic root of 67950057 is about 408.0655591979.

The spelling of 67950057 in words is "sixty-seven million, nine hundred fifty thousand, fifty-seven".

Divisors: 1 3 7 21 3235717 9707151 22650019 67950057