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66341144 = 238292643
BaseRepresentation
bin1111110100010…
…0100100011000
311121211110221102
43331010210120
5113440404034
610325530532
71433614262
oct375044430
9147743842
1066341144
11344a20a1
121a273a48
131098a31c
148b4cb32
155c5697e
hex3f44918

66341144 has 8 divisors (see below), whose sum is σ = 124389660. Its totient is φ = 33170568.

The previous prime is 66341137. The next prime is 66341161. The reversal of 66341144 is 44114366.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×663411442 = 8802294774457472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4146314 + ... + 4146329.

Almost surely, 266341144 is an apocalyptic number.

It is an amenable number.

66341144 is a deficient number, since it is larger than the sum of its proper divisors (58048516).

66341144 is a wasteful number, since it uses less digits than its factorization.

66341144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8292649 (or 8292645 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 66341144 is about 8145.0073050919. The cubic root of 66341144 is about 404.8190910763.

The spelling of 66341144 in words is "sixty-six million, three hundred forty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 8292643 16585286 33170572 66341144