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68843347 = 233780897
BaseRepresentation
bin1000001101001…
…11011101010011
311210112121022121
410012213131103
5120110441342
610455315111
71464105316
oct406473523
9153477277
1068843347
1135951031
121b07ba97
1311355211
14920097d
15609d067
hex41a7753

68843347 has 8 divisors (see below), whose sum is σ = 73778976. Its totient is φ = 64069632.

The previous prime is 68843339. The next prime is 68843351. The reversal of 68843347 is 74334886.

It is a happy number.

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 68843347 - 23 = 68843339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68840347) 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, 39598 + ... + 41299.

It is an arithmetic number, because the mean of its divisors is an integer number (9222372).

Almost surely, 268843347 is an apocalyptic number.

68843347 is a deficient number, since it is larger than the sum of its proper divisors (4935629).

68843347 is a wasteful number, since it uses less digits than its factorization.

68843347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80957.

The product of its digits is 387072, while the sum is 43.

The square root of 68843347 is about 8297.1891023406. The cubic root of 68843347 is about 409.8459603767.

The spelling of 68843347 in words is "sixty-eight million, eight hundred forty-three thousand, three hundred forty-seven".

Divisors: 1 23 37 851 80897 1860631 2993189 68843347