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104956865 = 5131614721
BaseRepresentation
bin1100100000110…
…00001111000001
321022111100202022
412100120033001
5203332104430
614225331225
72413055456
oct620301701
9238440668
10104956865
1154277712
122b196b15
131898aa70
14dd2182d
1593334e5
hex64183c1

104956865 has 8 divisors (see below), whose sum is σ = 135636648. Its totient is φ = 77506560.

The previous prime is 104956847. The next prime is 104956867. The reversal of 104956865 is 568659401.

It can be written as a sum of positive squares in 4 ways, for example, as 8288641 + 96668224 = 2879^2 + 9832^2 .

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

It is not a de Polignac number, because 104956865 - 28 = 104956609 is a prime.

It is a super-2 number, since 2×1049568652 = 22031887021256450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104956867) 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, 807296 + ... + 807425.

It is an arithmetic number, because the mean of its divisors is an integer number (16954581).

Almost surely, 2104956865 is an apocalyptic number.

It is an amenable number.

104956865 is a deficient number, since it is larger than the sum of its proper divisors (30679783).

104956865 is a wasteful number, since it uses less digits than its factorization.

104956865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614739.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 104956865 is about 10244.8457772677. The cubic root of 104956865 is about 471.7047867293.

The spelling of 104956865 in words is "one hundred four million, nine hundred fifty-six thousand, eight hundred sixty-five".

Divisors: 1 5 13 65 1614721 8073605 20991373 104956865