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65042117 = 715759183
BaseRepresentation
bin1111100000011…
…1011011000101
311112101111000022
43320013123011
5113122321432
610242024525
71416564110
oct370073305
9145344008
1065042117
1133795118
1219948145
1310623c7a
1488d1577
155a9bb12
hex3e076c5

65042117 has 8 divisors (see below), whose sum is σ = 74808576. Its totient is φ = 55394352.

The previous prime is 65042071. The next prime is 65042141. The reversal of 65042117 is 71124056.

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 65042117 - 212 = 65038021 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 (65042167) 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, 28493 + ... + 30690.

It is an arithmetic number, because the mean of its divisors is an integer number (9351072).

Almost surely, 265042117 is an apocalyptic number.

It is an amenable number.

65042117 is a deficient number, since it is larger than the sum of its proper divisors (9766459).

65042117 is a wasteful number, since it uses less digits than its factorization.

65042117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59347.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 65042117 is about 8064.8693107824. The cubic root of 65042117 is about 402.1593985999.

The spelling of 65042117 in words is "sixty-five million, forty-two thousand, one hundred seventeen".

Divisors: 1 7 157 1099 59183 414281 9291731 65042117