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104644345 = 5131609913
BaseRepresentation
bin1100011110010…
…11111011111001
321021220111001111
412033023323321
5203242104340
614214520321
72410314361
oct617137371
9237814044
10104644345
1154083933
122b0660a1
13188ab740
14dc7d9a1
1592c0aea
hex63cbef9

104644345 has 8 divisors (see below), whose sum is σ = 135232776. Its totient is φ = 77275776.

The previous prime is 104644249. The next prime is 104644357. The reversal of 104644345 is 543446401.

It can be written as a sum of positive squares in 4 ways, for example, as 21086464 + 83557881 = 4592^2 + 9141^2 .

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 104644345 - 27 = 104644217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804892 + ... + 805021.

It is an arithmetic number, because the mean of its divisors is an integer number (16904097).

Almost surely, 2104644345 is an apocalyptic number.

It is an amenable number.

104644345 is a deficient number, since it is larger than the sum of its proper divisors (30588431).

104644345 is a wasteful number, since it uses less digits than its factorization.

104644345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609931.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 104644345 is about 10229.5818585121. The cubic root of 104644345 is about 471.2361378891.

The spelling of 104644345 in words is "one hundred four million, six hundred forty-four thousand, three hundred forty-five".

Divisors: 1 5 13 65 1609913 8049565 20928869 104644345