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68263142 = 2211161761
BaseRepresentation
bin1000001000110…
…01110011100110
311202110010102112
410010121303212
5114433410032
610435041022
71456140623
oct404316346
9152403375
1068263142
1135595122
121aa40172
13111b10bc
1490cd34a
155ed61b2
hex4119ce6

68263142 has 8 divisors (see below), whose sum is σ = 102880632. Its totient is φ = 33969600.

The previous prime is 68263093. The next prime is 68263157. The reversal of 68263142 is 24136286.

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

It is a junction number, because it is equal to n+sod(n) for n = 68263099 and 68263108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80459 + ... + 81302.

It is an arithmetic number, because the mean of its divisors is an integer number (12860079).

Almost surely, 268263142 is an apocalyptic number.

68263142 is a deficient number, since it is larger than the sum of its proper divisors (34617490).

68263142 is a wasteful number, since it uses less digits than its factorization.

68263142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161974.

The product of its digits is 13824, while the sum is 32.

The square root of 68263142 is about 8262.1511726668. The cubic root of 68263142 is about 408.6913300063.

The spelling of 68263142 in words is "sixty-eight million, two hundred sixty-three thousand, one hundred forty-two".

Divisors: 1 2 211 422 161761 323522 34131571 68263142