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68597616 = 2431429117
BaseRepresentation
bin1000001011010…
…11011101110000
311210002010020110
410011223131300
5120030110431
610450141320
71462033023
oct405533560
9153063213
1068597616
11357a344a
121ab81840
131129a409
1491791ba
156050346
hex416b770

68597616 has 20 divisors (see below), whose sum is σ = 177210632. Its totient is φ = 22865856.

The previous prime is 68597587. The next prime is 68597623. The reversal of 68597616 is 61679586.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1429117 = 68597616 / (6 + 8 + 5 + 9 + 7 + 6 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714511 + ... + 714606.

Almost surely, 268597616 is an apocalyptic number.

It is an amenable number.

68597616 is an abundant number, since it is smaller than the sum of its proper divisors (108613016).

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

68597616 is a wasteful number, since it uses less digits than its factorization.

68597616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429128 (or 1429122 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 68597616 is about 8282.3677773931. The cubic root of 68597616 is about 409.3577412144.

The spelling of 68597616 in words is "sixty-eight million, five hundred ninety-seven thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 1429117 2858234 4287351 5716468 8574702 11432936 17149404 22865872 34298808 68597616