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66513342 = 2371583651
BaseRepresentation
bin1111110110111…
…0100110111110
311122011020011010
43331232212332
5114011411332
610333340050
71435232310
oct375564676
9148136133
1066513342
11345aa505
121a337626
1310a1a80c
148b957b0
155c8c9cc
hex3f6e9be

66513342 has 16 divisors (see below), whose sum is σ = 152030592. Its totient is φ = 19003800.

The previous prime is 66513341. The next prime is 66513347. The reversal of 66513342 is 24331566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66513341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791784 + ... + 791867.

It is an arithmetic number, because the mean of its divisors is an integer number (9501912).

Almost surely, 266513342 is an apocalyptic number.

66513342 is an abundant number, since it is smaller than the sum of its proper divisors (85517250).

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

66513342 is a wasteful number, since it uses less digits than its factorization.

66513342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583663.

The product of its digits is 12960, while the sum is 30.

The square root of 66513342 is about 8155.5712246292. The cubic root of 66513342 is about 405.1690438968.

The spelling of 66513342 in words is "sixty-six million, five hundred thirteen thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 1583651 3167302 4750953 9501906 11085557 22171114 33256671 66513342