Search a number
-
+
66741692 = 2247355009
BaseRepresentation
bin1111111010011…
…0010110111100
311122120211101112
43332212112330
5114041213232
610342301152
71440203123
oct376462674
9148524345
1066741692
1134746026
121a4277b8
1310a9a734
148c14aba
155cd54b2
hex3fa65bc

66741692 has 12 divisors (see below), whose sum is σ = 119283360. Its totient is φ = 32660736.

The previous prime is 66741683. The next prime is 66741721. The reversal of 66741692 is 29614766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177317 + ... + 177692.

It is an arithmetic number, because the mean of its divisors is an integer number (9940280).

Almost surely, 266741692 is an apocalyptic number.

It is an amenable number.

66741692 is a deficient number, since it is larger than the sum of its proper divisors (52541668).

66741692 is a wasteful number, since it uses less digits than its factorization.

66741692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355060 (or 355058 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 66741692 is about 8169.5588620194. The cubic root of 66741692 is about 405.6321824254.

The spelling of 66741692 in words is "sixty-six million, seven hundred forty-one thousand, six hundred ninety-two".

Divisors: 1 2 4 47 94 188 355009 710018 1420036 16685423 33370846 66741692