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66339054 = 2331228501
BaseRepresentation
bin1111110100010…
…0000011101110
311121211101002000
43331010003232
5113440322204
610325513130
71433605215
oct375040356
9147741060
1066339054
11344a0571
121a2727a6
13109893a2
148b4c07c
155c56039
hex3f440ee

66339054 has 16 divisors (see below), whose sum is σ = 147420240. Its totient is φ = 22113000.

The previous prime is 66339029. The next prime is 66339059. The reversal of 66339054 is 45093366.

It is a super-2 number, since 2×663390542 = 8801740171229832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66339059) 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, 614197 + ... + 614304.

It is an arithmetic number, because the mean of its divisors is an integer number (9213765).

Almost surely, 266339054 is an apocalyptic number.

66339054 is an abundant number, since it is smaller than the sum of its proper divisors (81081186).

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

66339054 is a wasteful number, since it uses less digits than its factorization.

66339054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228512 (or 1228506 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 66339054 is about 8144.8790046262. The cubic root of 66339054 is about 404.8148399146.

The spelling of 66339054 in words is "sixty-six million, three hundred thirty-nine thousand, fifty-four".

Divisors: 1 2 3 6 9 18 27 54 1228501 2457002 3685503 7371006 11056509 22113018 33169527 66339054