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66202046 = 2171947119
BaseRepresentation
bin1111110010001…
…0100110111110
311121120102010122
43330202212332
5113421431141
610322534542
71432464611
oct374424676
9147512118
1066202046
1134407639
121a207452
131093bc11
148b14178
155c2a64b
hex3f229be

66202046 has 8 divisors (see below), whose sum is σ = 105144480. Its totient is φ = 31153888.

The previous prime is 66202013. The next prime is 66202049. The reversal of 66202046 is 64020266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×662020462 = 8765421789172232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66202049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973526 + ... + 973593.

It is an arithmetic number, because the mean of its divisors is an integer number (13143060).

Almost surely, 266202046 is an apocalyptic number.

66202046 is a deficient number, since it is larger than the sum of its proper divisors (38942434).

66202046 is a wasteful number, since it uses less digits than its factorization.

66202046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947138.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 66202046 is about 8136.4639739877. The cubic root of 66202046 is about 404.5359639784.

The spelling of 66202046 in words is "sixty-six million, two hundred two thousand, forty-six".

Divisors: 1 2 17 34 1947119 3894238 33101023 66202046