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68503996 = 22111556909
BaseRepresentation
bin1000001010101…
…00100110111100
311202220100211001
410011110212330
5120014111441
610444140044
71461163051
oct405244674
9152810731
1068503996
113573a080
121ab37624
1311266912
149153028
156032731
hex41549bc

68503996 has 12 divisors (see below), whose sum is σ = 130780440. Its totient is φ = 31138160.

The previous prime is 68503979. The next prime is 68504011. The reversal of 68503996 is 69930586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778411 + ... + 778498.

It is an arithmetic number, because the mean of its divisors is an integer number (10898370).

Almost surely, 268503996 is an apocalyptic number.

It is an amenable number.

68503996 is a deficient number, since it is larger than the sum of its proper divisors (62276444).

68503996 is a wasteful number, since it uses less digits than its factorization.

68503996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556924 (or 1556922 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 68503996 is about 8276.7140822914. The cubic root of 68503996 is about 409.1714299803.

The spelling of 68503996 in words is "sixty-eight million, five hundred three thousand, nine hundred ninety-six".

Divisors: 1 2 4 11 22 44 1556909 3113818 6227636 17125999 34251998 68503996