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66342702 = 2337298841
BaseRepresentation
bin1111110100010…
…0111100101110
311121211120002010
43331010330232
5113440431302
610325542050
71433621646
oct375047456
9147746063
1066342702
11344a3288
121a274926
131098ac4a
148b4d526
155c5716c
hex3f44f2e

66342702 has 16 divisors (see below), whose sum is σ = 136271952. Its totient is φ = 21516480.

The previous prime is 66342671. The next prime is 66342707. The reversal of 66342702 is 20724366.

It is a self number, because there is not a number n which added to its sum of digits gives 66342702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66342707) 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, 149199 + ... + 149642.

It is an arithmetic number, because the mean of its divisors is an integer number (8516997).

Almost surely, 266342702 is an apocalyptic number.

66342702 is an abundant number, since it is smaller than the sum of its proper divisors (69929250).

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

66342702 is a wasteful number, since it uses less digits than its factorization.

66342702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298883.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 66342702 is about 8145.1029459424. The cubic root of 66342702 is about 404.8222600660.

It can be divided in two parts, 663 and 42702, that added together give a triangular number (43365 = T294).

The spelling of 66342702 in words is "sixty-six million, three hundred forty-two thousand, seven hundred two".

Divisors: 1 2 3 6 37 74 111 222 298841 597682 896523 1793046 11057117 22114234 33171351 66342702