Search a number
-
+
66052384 = 25101107191
BaseRepresentation
bin1111101111111…
…0000100100000
311121021210211121
43323332010200
5113402134014
610315422024
71431302356
oct373760440
9147253747
1066052384
1134315152
121a154914
13108b8a68
148ab57d6
155beb124
hex3efe120

66052384 has 48 divisors (see below), whose sum is σ = 133249536. Its totient is φ = 32224000.

The previous prime is 66052381. The next prime is 66052387. The reversal of 66052384 is 48325066.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66052381) and next prime (66052387).

It is not an unprimeable number, because it can be changed into a prime (66052381) 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, 345729 + ... + 345919.

It is an arithmetic number, because the mean of its divisors is an integer number (2776032).

Almost surely, 266052384 is an apocalyptic number.

It is an amenable number.

66052384 is an abundant number, since it is smaller than the sum of its proper divisors (67197152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66052384 is a wasteful number, since it uses less digits than its factorization.

66052384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 66052384 is about 8127.2617774992. The cubic root of 66052384 is about 404.2308911200.

The spelling of 66052384 in words is "sixty-six million, fifty-two thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 101 107 191 202 214 382 404 428 764 808 856 1528 1616 1712 3056 3232 3424 6112 10807 19291 20437 21614 38582 40874 43228 77164 81748 86456 154328 163496 172912 308656 326992 345824 617312 653984 2064137 4128274 8256548 16513096 33026192 66052384