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68378542 = 2181188891
BaseRepresentation
bin1000001001101…
…01111110101110
311202122222201121
410010311332232
5120001103132
610441331154
71460131231
oct404657656
9152588647
1068378542
11356638a1
121aa96aba
131122179b
14911d418
15600a497
hex4135fae

68378542 has 8 divisors (see below), whose sum is σ = 103135032. Its totient is φ = 34000200.

The previous prime is 68378521. The next prime is 68378593. The reversal of 68378542 is 24587386.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94084 + ... + 94807.

It is an arithmetic number, because the mean of its divisors is an integer number (12891879).

Almost surely, 268378542 is an apocalyptic number.

68378542 is a deficient number, since it is larger than the sum of its proper divisors (34756490).

68378542 is a wasteful number, since it uses less digits than its factorization.

68378542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189074.

The product of its digits is 322560, while the sum is 43.

The square root of 68378542 is about 8269.1318770473. The cubic root of 68378542 is about 408.9215002290.

The spelling of 68378542 in words is "sixty-eight million, three hundred seventy-eight thousand, five hundred forty-two".

Divisors: 1 2 181 362 188891 377782 34189271 68378542