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68027706 = 23247191421
BaseRepresentation
bin1000000111000…
…00010100111010
311202000011110200
410003200110322
5114403341311
610430023030
71454140335
oct403402472
9152004420
1068027706
113544424a
121a947a76
131112aba6
14906b61c
155e8b556
hex40e053a

68027706 has 48 divisors (see below), whose sum is σ = 151676928. Its totient is φ = 22024800.

The previous prime is 68027683. The next prime is 68027717. The reversal of 68027706 is 60772086.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161376 + ... + 161796.

It is an arithmetic number, because the mean of its divisors is an integer number (3159936).

Almost surely, 268027706 is an apocalyptic number.

68027706 is an abundant number, since it is smaller than the sum of its proper divisors (83649222).

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

68027706 is a wasteful number, since it uses less digits than its factorization.

68027706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 68027706 is about 8247.8910031595. The cubic root of 68027706 is about 408.2209371432.

The spelling of 68027706 in words is "sixty-eight million, twenty-seven thousand, seven hundred six".

Divisors: 1 2 3 6 9 18 47 94 141 191 282 382 421 423 573 842 846 1146 1263 1719 2526 3438 3789 7578 8977 17954 19787 26931 39574 53862 59361 80411 80793 118722 160822 161586 178083 241233 356166 482466 723699 1447398 3779317 7558634 11337951 22675902 34013853 68027706