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66308342 = 2614211291
BaseRepresentation
bin1111110011110…
…0100011110110
311121202210221112
43330330203312
5113433331332
610325115022
71433416532
oct374744366
9147683845
1066308342
113447a491
121a258a72
1310978409
148b40bc2
155c4bdb2
hex3f3c8f6

66308342 has 16 divisors (see below), whose sum is σ = 101411664. Its totient is φ = 32508000.

The previous prime is 66308323. The next prime is 66308369. The reversal of 66308342 is 24380366.

It is a junction number, because it is equal to n+sod(n) for n = 66308299 and 66308308.

It is a congruent number.

It is an unprimeable number.

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, 50717 + ... + 52007.

It is an arithmetic number, because the mean of its divisors is an integer number (6338229).

Almost surely, 266308342 is an apocalyptic number.

66308342 is a deficient number, since it is larger than the sum of its proper divisors (35103322).

66308342 is a wasteful number, since it uses less digits than its factorization.

66308342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 66308342 is about 8142.9934299372. The cubic root of 66308342 is about 404.7523599138.

The spelling of 66308342 in words is "sixty-six million, three hundred eight thousand, three hundred forty-two".

Divisors: 1 2 61 122 421 842 1291 2582 25681 51362 78751 157502 543511 1087022 33154171 66308342