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68699055 = 354579937
BaseRepresentation
bin1000001100001…
…00001110101111
311210021021101110
410012010032233
5120041332210
610452243103
71462634535
oct406041657
9153237343
1068699055
1135862687
121b010493
1311304639
1491a4155
156070420
hex41843af

68699055 has 8 divisors (see below), whose sum is σ = 109918512. Its totient is φ = 36639488.

The previous prime is 68699051. The next prime is 68699083. The reversal of 68699055 is 55099686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68699055 - 22 = 68699051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68698995 and 68699013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68699051) 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, 2289954 + ... + 2289983.

It is an arithmetic number, because the mean of its divisors is an integer number (13739814).

Almost surely, 268699055 is an apocalyptic number.

68699055 is a deficient number, since it is larger than the sum of its proper divisors (41219457).

68699055 is a wasteful number, since it uses less digits than its factorization.

68699055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579945.

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 68699055 is about 8288.4893074673. The cubic root of 68699055 is about 409.5594216361.

The spelling of 68699055 in words is "sixty-eight million, six hundred ninety-nine thousand, fifty-five".

Divisors: 1 3 5 15 4579937 13739811 22899685 68699055