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68234710 = 256823471
BaseRepresentation
bin1000001000100…
…10110111010110
311202101200102111
410010102313112
5114432002320
610434301234
71455662005
oct404226726
9152350374
1068234710
1135575825
121aa2781a
13111a118b
1490c2c3c
155ecca5a
hex4112dd6

68234710 has 8 divisors (see below), whose sum is σ = 122822496. Its totient is φ = 27293880.

The previous prime is 68234671. The next prime is 68234713. The reversal of 68234710 is 1743286.

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

It is a super-3 number, since 3×682347103 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68234713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3411726 + ... + 3411745.

It is an arithmetic number, because the mean of its divisors is an integer number (15352812).

Almost surely, 268234710 is an apocalyptic number.

68234710 is a deficient number, since it is larger than the sum of its proper divisors (54587786).

68234710 is a wasteful number, since it uses less digits than its factorization.

68234710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823478.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 68234710 is about 8260.4303761971. The cubic root of 68234710 is about 408.6345813462.

Adding to 68234710 its reverse (1743286), we get a palindrome (69977996).

The spelling of 68234710 in words is "sixty-eight million, two hundred thirty-four thousand, seven hundred ten".

Divisors: 1 2 5 10 6823471 13646942 34117355 68234710