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68341938 = 2371795717
BaseRepresentation
bin1000001001011…
…01000010110010
311202121010111220
410010231002302
5114443420223
610440445510
71456616430
oct404550262
9152533456
1068341938
1135639345
121aa79896
131120ac22
14910dd50
155eee6e3
hex412d0b2

68341938 has 32 divisors (see below), whose sum is σ = 165400704. Its totient is φ = 18377472.

The previous prime is 68341937. The next prime is 68342033. The reversal of 68341938 is 83914386.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 68341938.

It is not an unprimeable number, because it can be changed into a prime (68341937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47145 + ... + 48572.

It is an arithmetic number, because the mean of its divisors is an integer number (5168772).

Almost surely, 268341938 is an apocalyptic number.

68341938 is an abundant number, since it is smaller than the sum of its proper divisors (97058766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68341938 is a wasteful number, since it uses less digits than its factorization.

68341938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95746.

The product of its digits is 124416, while the sum is 42.

The square root of 68341938 is about 8266.9182891813. The cubic root of 68341938 is about 408.8485200521.

The spelling of 68341938 in words is "sixty-eight million, three hundred forty-one thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 95717 191434 287151 574302 670019 1340038 1627189 2010057 3254378 4020114 4881567 9763134 11390323 22780646 34170969 68341938