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66614082 = 2313979873
BaseRepresentation
bin1111111000011…
…1001101000010
311122100100100020
43332013031002
5114023122312
610335434310
71436132103
oct376071502
9148310306
1066614082
1134669167
121a385996
1310a54622
148bc03aa
155cac78c
hex3f87342

66614082 has 16 divisors (see below), whose sum is σ = 134188320. Its totient is φ = 22044672.

The previous prime is 66614077. The next prime is 66614101. The reversal of 66614082 is 28041666.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39103 + ... + 40770.

It is an arithmetic number, because the mean of its divisors is an integer number (8386770).

Almost surely, 266614082 is an apocalyptic number.

66614082 is an abundant number, since it is smaller than the sum of its proper divisors (67574238).

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

66614082 is a wasteful number, since it uses less digits than its factorization.

66614082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80017.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 66614082 is about 8161.7450339986. The cubic root of 66614082 is about 405.3734948075.

The spelling of 66614082 in words is "sixty-six million, six hundred fourteen thousand, eighty-two".

Divisors: 1 2 3 6 139 278 417 834 79873 159746 239619 479238 11102347 22204694 33307041 66614082