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68464808 = 238558101
BaseRepresentation
bin1000001010010…
…11000010101000
311202211101001122
410011023002220
5120011333213
610443234412
71460640566
oct405130250
9152741048
1068464808
1135712695
121ab18a08
1311251b29
149142a36
156025d08
hex414b0a8

68464808 has 8 divisors (see below), whose sum is σ = 128371530. Its totient is φ = 34232400.

The previous prime is 68464787. The next prime is 68464871. The reversal of 68464808 is 80846486.

It can be written as a sum of positive squares in only one way, i.e., 54789604 + 13675204 = 7402^2 + 3698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4279043 + ... + 4279058.

Almost surely, 268464808 is an apocalyptic number.

It is an amenable number.

68464808 is a deficient number, since it is larger than the sum of its proper divisors (59906722).

68464808 is a wasteful number, since it uses less digits than its factorization.

68464808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558107 (or 8558103 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 68464808 is about 8274.3463790199. The cubic root of 68464808 is about 409.0933923501.

The spelling of 68464808 in words is "sixty-eight million, four hundred sixty-four thousand, eight hundred eight".

Divisors: 1 2 4 8 8558101 17116202 34232404 68464808