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66162029 = 312134259
BaseRepresentation
bin1111110001100…
…0110101101101
311121111101020112
43330120311231
5113414141104
610322025405
71432240133
oct374306555
9147441215
1066162029
113438a56a
121a1a8265
131092693b
148b03753
155c1d86e
hex3f18d6d

66162029 has 4 divisors (see below), whose sum is σ = 68296320. Its totient is φ = 64027740.

The previous prime is 66162023. The next prime is 66162043. The reversal of 66162029 is 92026166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66162029 - 24 = 66162013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66161986 and 66162004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66162023) 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, 1067099 + ... + 1067160.

It is an arithmetic number, because the mean of its divisors is an integer number (17074080).

Almost surely, 266162029 is an apocalyptic number.

It is an amenable number.

66162029 is a deficient number, since it is larger than the sum of its proper divisors (2134291).

66162029 is a wasteful number, since it uses less digits than its factorization.

66162029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134290.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 66162029 is about 8134.0044873359. The cubic root of 66162029 is about 404.4544379052.

The spelling of 66162029 in words is "sixty-six million, one hundred sixty-two thousand, twenty-nine".

Divisors: 1 31 2134259 66162029