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68510341 = 312210011
BaseRepresentation
bin1000001010101…
…10001010000101
311202220200112001
410011112022011
5120014312331
610444225301
71461220414
oct405261205
9152820461
1068510341
1135743919
121ab3b231
1311269783
14915547b
156034561
hex4156285

68510341 has 4 divisors (see below), whose sum is σ = 70720384. Its totient is φ = 66300300.

The previous prime is 68510317. The next prime is 68510359. The reversal of 68510341 is 14301586.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68510341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68510311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104975 + ... + 1105036.

It is an arithmetic number, because the mean of its divisors is an integer number (17680096).

Almost surely, 268510341 is an apocalyptic number.

It is an amenable number.

68510341 is a deficient number, since it is larger than the sum of its proper divisors (2210043).

68510341 is a wasteful number, since it uses less digits than its factorization.

68510341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210042.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 68510341 is about 8277.0973777043. The cubic root of 68510341 is about 409.1840623946.

It can be divided in two parts, 685 and 10341, that added together give a triangular number (11026 = T148).

The spelling of 68510341 in words is "sixty-eight million, five hundred ten thousand, three hundred forty-one".

Divisors: 1 31 2210011 68510341