Search a number
-
+
66060455 = 533613931
BaseRepresentation
bin1111110000000…
…0000010100111
311121022012220112
43330000002213
5113402413310
610315523235
71431335036
oct374000247
9147265815
1066060455
113432021a
121a15951b
13108bc636
148ab871d
155bed705
hex3f000a7

66060455 has 8 divisors (see below), whose sum is σ = 79316304. Its totient is φ = 52819200.

The previous prime is 66060451. The next prime is 66060461. The reversal of 66060455 is 55406066.

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

It is not a de Polignac number, because 66060455 - 22 = 66060451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66060451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14840 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (9914538).

Almost surely, 266060455 is an apocalyptic number.

66060455 is a deficient number, since it is larger than the sum of its proper divisors (13255849).

66060455 is a wasteful number, since it uses less digits than its factorization.

66060455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7297.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 66060455 is about 8127.7583010323. The cubic root of 66060455 is about 404.2473548944.

The spelling of 66060455 in words is "sixty-six million, sixty thousand, four hundred fifty-five".

Divisors: 1 5 3361 3931 16805 19655 13212091 66060455