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68533474 = 2191179407
BaseRepresentation
bin1000001010110…
…11110011100010
311202221212020211
410011123303202
5120021032344
610444524334
71461345022
oct405336342
9152855224
1068533474
113575a239
121ab506aa
1311277169
14915da82
15603b334
hex415bce2

68533474 has 8 divisors (see below), whose sum is σ = 103339008. Its totient is φ = 34087140.

The previous prime is 68533469. The next prime is 68533499. The reversal of 68533474 is 47433586.

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

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, 89322 + ... + 90085.

It is an arithmetic number, because the mean of its divisors is an integer number (12917376).

Almost surely, 268533474 is an apocalyptic number.

68533474 is a deficient number, since it is larger than the sum of its proper divisors (34805534).

68533474 is a wasteful number, since it uses less digits than its factorization.

68533474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179600.

The product of its digits is 241920, while the sum is 40.

The square root of 68533474 is about 8278.4946699264. The cubic root of 68533474 is about 409.2301118405.

The spelling of 68533474 in words is "sixty-eight million, five hundred thirty-three thousand, four hundred seventy-four".

Divisors: 1 2 191 382 179407 358814 34266737 68533474