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66460412 = 2217977359
BaseRepresentation
bin1111110110000…
…1101011111100
311122001112112202
43331201223330
5114003213122
610332251032
71434622064
oct375415374
9148045482
1066460412
1134573767
121a310a78
13109cc6b5
148b803a4
155c7be92
hex3f61afc

66460412 has 12 divisors (see below), whose sum is σ = 123147360. Its totient is φ = 31275456.

The previous prime is 66460411. The next prime is 66460417. The reversal of 66460412 is 21406466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66460411) by changing a digit.

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, 488612 + ... + 488747.

It is an arithmetic number, because the mean of its divisors is an integer number (10262280).

Almost surely, 266460412 is an apocalyptic number.

It is an amenable number.

66460412 is a deficient number, since it is larger than the sum of its proper divisors (56686948).

66460412 is a wasteful number, since it uses less digits than its factorization.

66460412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977380 (or 977378 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 66460412 is about 8152.3255577780. The cubic root of 66460412 is about 405.0615402090.

Adding to 66460412 its reverse (21406466), we get a palindrome (87866878).

The spelling of 66460412 in words is "sixty-six million, four hundred sixty thousand, four hundred twelve".

Divisors: 1 2 4 17 34 68 977359 1954718 3909436 16615103 33230206 66460412