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66260929 = 747201401
BaseRepresentation
bin1111110011000…
…0111111000001
311121200101220111
43330300333001
5113430322204
610324111321
71433131360
oct374607701
9147611814
1066260929
11344478a9
121a235541
131095c967
148b2b7d7
155c3cd04
hex3f30fc1

66260929 has 8 divisors (see below), whose sum is σ = 77338368. Its totient is φ = 55586400.

The previous prime is 66260899. The next prime is 66260933. The reversal of 66260929 is 92906266.

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

It is a cyclic number.

It is not a de Polignac number, because 66260929 - 25 = 66260897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66260891 and 66260900.

It is not an unprimeable number, because it can be changed into a prime (66260959) 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, 100372 + ... + 101029.

It is an arithmetic number, because the mean of its divisors is an integer number (9667296).

Almost surely, 266260929 is an apocalyptic number.

It is an amenable number.

66260929 is a deficient number, since it is larger than the sum of its proper divisors (11077439).

66260929 is a wasteful number, since it uses less digits than its factorization.

66260929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201455.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 66260929 is about 8140.0816334973. The cubic root of 66260929 is about 404.6558657731.

The spelling of 66260929 in words is "sixty-six million, two hundred sixty thousand, nine hundred twenty-nine".

Divisors: 1 7 47 329 201401 1409807 9465847 66260929