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66045714 = 23717233397
BaseRepresentation
bin1111101111110…
…0011100010010
311121021110200120
43323330130102
5113401430324
610315331110
71431244050
oct373743422
9147243616
1066045714
1134310139
121a150a96
13108b5a07
148ab31d0
155be9179
hex3efc712

66045714 has 64 divisors (see below), whose sum is σ = 160932096. Its totient is φ = 17639424.

The previous prime is 66045709. The next prime is 66045757. The reversal of 66045714 is 41754066.

It is a super-3 number, since 3×660457143 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166164 + ... + 166560.

It is an arithmetic number, because the mean of its divisors is an integer number (2514564).

Almost surely, 266045714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66045714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80466048).

66045714 is an abundant number, since it is smaller than the sum of its proper divisors (94886382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66045714 is a wasteful number, since it uses less digits than its factorization.

66045714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 66045714 is about 8126.8514198304. The cubic root of 66045714 is about 404.2172841884.

The spelling of 66045714 in words is "sixty-six million, forty-five thousand, seven hundred fourteen".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 233 238 357 397 466 699 714 794 1191 1398 1631 2382 2779 3262 3961 4893 5558 6749 7922 8337 9786 11883 13498 16674 20247 23766 27727 40494 47243 55454 83181 92501 94486 141729 166362 185002 277503 283458 555006 647507 1295014 1572517 1942521 3145034 3885042 4717551 9435102 11007619 22015238 33022857 66045714