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66414206 = 2171953359
BaseRepresentation
bin1111110101011…
…0011001111110
311121222012011102
43331112121332
5114000223311
610331253102
71434340265
oct375263176
9147865142
1066414206
1134541a81
121a2aa192
13109b4661
148b6b5dc
155c6d43b
hex3f5667e

66414206 has 8 divisors (see below), whose sum is σ = 105481440. Its totient is φ = 31253728.

The previous prime is 66414199. The next prime is 66414209. The reversal of 66414206 is 60241466.

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

It is a super-2 number, since 2×664142062 = 8821693517220872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66414209) 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, 976646 + ... + 976713.

It is an arithmetic number, because the mean of its divisors is an integer number (13185180).

Almost surely, 266414206 is an apocalyptic number.

66414206 is a deficient number, since it is larger than the sum of its proper divisors (39067234).

66414206 is a wasteful number, since it uses less digits than its factorization.

66414206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953378.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 66414206 is about 8149.4911497590. The cubic root of 66414206 is about 404.9676466560.

The spelling of 66414206 in words is "sixty-six million, four hundred fourteen thousand, two hundred six".

Divisors: 1 2 17 34 1953359 3906718 33207103 66414206