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104430172 = 22721148437
BaseRepresentation
bin1100011100101…
…11101001011100
321021111121021011
412032113221130
5203213231142
614210145004
72405433100
oct616275134
9237447234
10104430172
1153a47a30
122ab82164
1318835102
14dc25900
15927c417
hex6397a5c

104430172 has 36 divisors (see below), whose sum is σ = 231921144. Its totient is φ = 40686240.

The previous prime is 104430149. The next prime is 104430173. The reversal of 104430172 is 271034401.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104430173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22063 + ... + 26374.

It is an arithmetic number, because the mean of its divisors is an integer number (6442254).

Almost surely, 2104430172 is an apocalyptic number.

It is an amenable number.

104430172 is an abundant number, since it is smaller than the sum of its proper divisors (127490972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104430172 is a wasteful number, since it uses less digits than its factorization.

104430172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48466 (or 48457 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 104430172 is about 10219.1081802670. The cubic root of 104430172 is about 470.9144291845.

Adding to 104430172 its reverse (271034401), we get a palindrome (375464573).

The spelling of 104430172 in words is "one hundred four million, four hundred thirty thousand, one hundred seventy-two".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 48437 96874 193748 339059 532807 678118 1065614 1356236 2131228 2373413 3729649 4746826 7459298 9493652 14918596 26107543 52215086 104430172