Search a number
-
+
67731046 = 238218863
BaseRepresentation
bin1000000100101…
…11111001100110
311201110002112021
410002113321212
5114314343141
610415413354
71451463415
oct402277146
9151402467
1067731046
1135261379
121a82425a
1311055b56
148dd147c
155e2d6d1
hex4097e66

67731046 has 8 divisors (see below), whose sum is σ = 101634624. Its totient is φ = 33852840.

The previous prime is 67731031. The next prime is 67731073. The reversal of 67731046 is 64013776.

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

It is a congruent number.

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, 3211 + ... + 12073.

It is an arithmetic number, because the mean of its divisors is an integer number (12704328).

Almost surely, 267731046 is an apocalyptic number.

67731046 is a deficient number, since it is larger than the sum of its proper divisors (33903578).

67731046 is a wasteful number, since it uses less digits than its factorization.

67731046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12686.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 67731046 is about 8229.8873625342. The cubic root of 67731046 is about 407.6266729531.

The spelling of 67731046 in words is "sixty-seven million, seven hundred thirty-one thousand, forty-six".

Divisors: 1 2 3821 7642 8863 17726 33865523 67731046