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104665645 = 572990447
BaseRepresentation
bin1100011110100…
…01001000101101
321021221120021101
412033101020231
5203243300040
614215203101
72410433440
oct617211055
9237846241
10104665645
1154098937
122b076491
13188b8346
14dc87657
1592c709a
hex63d122d

104665645 has 8 divisors (see below), whose sum is σ = 143541504. Its totient is φ = 71770704.

The previous prime is 104665643. The next prime is 104665679. The reversal of 104665645 is 546566401.

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 104665645 - 21 = 104665643 is a prime.

It is a super-3 number, since 3×1046656453 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104665643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495189 + ... + 1495258.

It is an arithmetic number, because the mean of its divisors is an integer number (17942688).

Almost surely, 2104665645 is an apocalyptic number.

It is an amenable number.

104665645 is a deficient number, since it is larger than the sum of its proper divisors (38875859).

104665645 is an equidigital number, since it uses as much as digits as its factorization.

104665645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990459.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 104665645 is about 10230.6229038119. The cubic root of 104665645 is about 471.2681085570.

The spelling of 104665645 in words is "one hundred four million, six hundred sixty-five thousand, six hundred forty-five".

Divisors: 1 5 7 35 2990447 14952235 20933129 104665645