Search a number
-
+
66308054 = 234919497
BaseRepresentation
bin1111110011110…
…0011111010110
311121202210112212
43330330133112
5113433324204
610325113422
71433415641
oct374743726
9147683485
1066308054
113447a24a
121a258872
1310978247
148b40a58
155c4bc6e
hex3f3c7d6

66308054 has 8 divisors (see below), whose sum is σ = 99501048. Its totient is φ = 33141040.

The previous prime is 66308027. The next prime is 66308059. The reversal of 66308054 is 45080366.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66308054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66308059) 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, 2234 + ... + 11730.

It is an arithmetic number, because the mean of its divisors is an integer number (12437631).

Almost surely, 266308054 is an apocalyptic number.

66308054 is a deficient number, since it is larger than the sum of its proper divisors (33192994).

66308054 is a wasteful number, since it uses less digits than its factorization.

66308054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 66308054 is about 8142.9757460034. The cubic root of 66308054 is about 404.7517739199.

The spelling of 66308054 in words is "sixty-six million, three hundred eight thousand, fifty-four".

Divisors: 1 2 3491 6982 9497 18994 33154027 66308054