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68242497 = 3179127081
BaseRepresentation
bin1000001000101…
…00110001000001
311202102002002220
410010110301001
5114432224442
610434401253
71456023501
oct404246101
9152362086
1068242497
1135580664
121aa30229
13111a489b
1490c5a01
155eceeec
hex4114c41

68242497 has 8 divisors (see below), whose sum is σ = 91499040. Its totient is φ = 45240480.

The previous prime is 68242483. The next prime is 68242511. The reversal of 68242497 is 79424286.

It is an interprime number because it is at equal distance from previous prime (68242483) and next prime (68242511).

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

It is not a de Polignac number, because 68242497 - 28 = 68242241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68242417) 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, 63004 + ... + 64077.

It is an arithmetic number, because the mean of its divisors is an integer number (11437380).

Almost surely, 268242497 is an apocalyptic number.

It is an amenable number.

68242497 is a deficient number, since it is larger than the sum of its proper divisors (23256543).

68242497 is a wasteful number, since it uses less digits than its factorization.

68242497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127263.

The product of its digits is 193536, while the sum is 42.

The square root of 68242497 is about 8260.9017062304. The cubic root of 68242497 is about 408.6501253240.

The spelling of 68242497 in words is "sixty-eight million, two hundred forty-two thousand, four hundred ninety-seven".

Divisors: 1 3 179 537 127081 381243 22747499 68242497