Search a number
-
+
68458423 = 116479619
BaseRepresentation
bin1000001010010…
…01011110110111
311202211001022011
410011021132313
5120011132143
610443145051
71460613145
oct405113667
9152731264
1068458423
1135708910
121ab15187
131124bc57
149140595
156023e9d
hex41497b7

68458423 has 8 divisors (see below), whose sum is σ = 74805120. Its totient is φ = 62132280.

The previous prime is 68458393. The next prime is 68458427. The reversal of 68458423 is 32485486.

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

It is a cyclic number.

It is not a de Polignac number, because 68458423 - 217 = 68327351 is a prime.

It is a super-3 number, since 3×684584233 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68458427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2308 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (9350640).

Almost surely, 268458423 is an apocalyptic number.

68458423 is a deficient number, since it is larger than the sum of its proper divisors (6346697).

68458423 is a wasteful number, since it uses less digits than its factorization.

68458423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10277.

The product of its digits is 184320, while the sum is 40.

The square root of 68458423 is about 8273.9605389438. The cubic root of 68458423 is about 409.0806746605.

The spelling of 68458423 in words is "sixty-eight million, four hundred fifty-eight thousand, four hundred twenty-three".

Divisors: 1 11 647 7117 9619 105809 6223493 68458423