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68907341 = 174053373
BaseRepresentation
bin1000001101101…
…11000101001101
311210122212002202
410012313011031
5120120013331
610500531245
71464463016
oct406670515
9153585082
1068907341
1135995118
121b0b0b25
1311378399
14921a00d
1560b1ecb
hex41b714d

68907341 has 4 divisors (see below), whose sum is σ = 72960732. Its totient is φ = 64853952.

The previous prime is 68907331. The next prime is 68907353. The reversal of 68907341 is 14370986.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60762025 + 8145316 = 7795^2 + 2854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68907341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68907295 and 68907304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68907331) by changing a digit.

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, 2026670 + ... + 2026703.

It is an arithmetic number, because the mean of its divisors is an integer number (18240183).

Almost surely, 268907341 is an apocalyptic number.

It is an amenable number.

68907341 is a deficient number, since it is larger than the sum of its proper divisors (4053391).

68907341 is a wasteful number, since it uses less digits than its factorization.

68907341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053390.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 68907341 is about 8301.0445728234. The cubic root of 68907341 is about 409.9729131421.

The spelling of 68907341 in words is "sixty-eight million, nine hundred seven thousand, three hundred forty-one".

Divisors: 1 17 4053373 68907341