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66214127 = 737255653
BaseRepresentation
bin1111110010010…
…1100011101111
311121121000201002
43330211203233
5113422323002
610323110515
71432545050
oct374454357
9147530632
1066214127
1134415721
121a21243b
1310944575
148b18727
155c2e002
hex3f258ef

66214127 has 8 divisors (see below), whose sum is σ = 77718816. Its totient is φ = 55220832.

The previous prime is 66214111. The next prime is 66214129. The reversal of 66214127 is 72141266.

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 66214127 - 24 = 66214111 is a prime.

It is a super-2 number, since 2×662141272 = 8768621228744258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66214127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66214129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127568 + ... + 128085.

It is an arithmetic number, because the mean of its divisors is an integer number (9714852).

Almost surely, 266214127 is an apocalyptic number.

66214127 is a deficient number, since it is larger than the sum of its proper divisors (11504689).

66214127 is a wasteful number, since it uses less digits than its factorization.

66214127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255697.

The product of its digits is 4032, while the sum is 29.

The square root of 66214127 is about 8137.2063387873. The cubic root of 66214127 is about 404.5605699738.

The spelling of 66214127 in words is "sixty-six million, two hundred fourteen thousand, one hundred twenty-seven".

Divisors: 1 7 37 259 255653 1789571 9459161 66214127