[go: up one dir, main page]

Search a number
-
+
66361814 = 2431973917
BaseRepresentation
bin1111110100100…
…1100111010110
311121212112021222
43331021213112
5113442034224
610330210342
71434031451
oct375114726
9147775258
1066361814
1134506682
121a2839b2
131099685c
148b56498
155c5cb5e
hex3f499d6

66361814 has 16 divisors (see below), whose sum is σ = 102400848. Its totient is φ = 32236512.

The previous prime is 66361811. The next prime is 66361837. The reversal of 66361814 is 41816366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66361811) 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, 14984 + ... + 18900.

It is an arithmetic number, because the mean of its divisors is an integer number (6400053).

Almost surely, 266361814 is an apocalyptic number.

66361814 is a deficient number, since it is larger than the sum of its proper divisors (36039034).

66361814 is a wasteful number, since it uses less digits than its factorization.

66361814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159.

The product of its digits is 20736, while the sum is 35.

The square root of 66361814 is about 8146.2760817443. The cubic root of 66361814 is about 404.8611300545.

The spelling of 66361814 in words is "sixty-six million, three hundred sixty-one thousand, eight hundred fourteen".

Divisors: 1 2 43 86 197 394 3917 7834 8471 16942 168431 336862 771649 1543298 33180907 66361814