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68046738 = 23109104047
BaseRepresentation
bin1000000111001…
…00111110010010
311202001010120120
410003210332102
5114404443423
610430251110
71454246664
oct403447622
9152033516
1068046738
1135457581
121a956a96
1311136756
149074534
155e91ee3
hex40e4f92

68046738 has 16 divisors (see below), whose sum is σ = 137343360. Its totient is φ = 22473936.

The previous prime is 68046707. The next prime is 68046739. The reversal of 68046738 is 83764086.

It is a self number, because there is not a number n which added to its sum of digits gives 68046738.

It is not an unprimeable number, because it can be changed into a prime (68046739) 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, 51370 + ... + 52677.

It is an arithmetic number, because the mean of its divisors is an integer number (8583960).

Almost surely, 268046738 is an apocalyptic number.

68046738 is an abundant number, since it is smaller than the sum of its proper divisors (69296622).

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

68046738 is a wasteful number, since it uses less digits than its factorization.

68046738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104161.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 68046738 is about 8249.0446719605. The cubic root of 68046738 is about 408.2590026948.

The spelling of 68046738 in words is "sixty-eight million, forty-six thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 109 218 327 654 104047 208094 312141 624282 11341123 22682246 34023369 68046738