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68074530 = 23519119429
BaseRepresentation
bin1000000111010…
…11110000100010
311202002112200220
410003223300202
5114411341110
610431023510
71454424006
oct403536042
9152075626
1068074530
1135476447
121a96ab96
13111462b4
149080706
155e9a370
hex40ebc22

68074530 has 32 divisors (see below), whose sum is σ = 171979200. Its totient is φ = 17197632.

The previous prime is 68074519. The next prime is 68074583. The reversal of 68074530 is 3547086.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68074491 and 68074500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59145 + ... + 60284.

It is an arithmetic number, because the mean of its divisors is an integer number (5374350).

Almost surely, 268074530 is an apocalyptic number.

68074530 is an abundant number, since it is smaller than the sum of its proper divisors (103904670).

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

68074530 is a wasteful number, since it uses less digits than its factorization.

68074530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119458.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 68074530 is about 8250.7290586954. The cubic root of 68074530 is about 408.3145762128.

The spelling of 68074530 in words is "sixty-eight million, seventy-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 119429 238858 358287 597145 716574 1194290 1791435 2269151 3582870 4538302 6807453 11345755 13614906 22691510 34037265 68074530