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104257206 = 236233109
BaseRepresentation
bin1100011011011…
…01011010110110
321021011211000000
412031231122312
5203142212311
614202332130
72404112604
oct615553266
9237154000
10104257206
1153939a89
122aaba046
13187a4471
14dbbc874
159246056
hex636d6b6

104257206 has 56 divisors (see below), whose sum is σ = 244744560. Its totient is φ = 33230736.

The previous prime is 104257187. The next prime is 104257207. The reversal of 104257206 is 602752401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 104257206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104257207) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 31980 + ... + 35088.

Almost surely, 2104257206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104257206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122372280).

104257206 is an abundant number, since it is smaller than the sum of its proper divisors (140487354).

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

104257206 is an equidigital number, since it uses as much as digits as its factorization.

104257206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152 (or 3137 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 104257206 is about 10210.6418015715. The cubic root of 104257206 is about 470.6542962033.

The spelling of 104257206 in words is "one hundred four million, two hundred fifty-seven thousand, two hundred six".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 81 138 162 207 243 414 486 621 729 1242 1458 1863 3109 3726 5589 6218 9327 11178 16767 18654 27981 33534 55962 71507 83943 143014 167886 214521 251829 429042 503658 643563 755487 1287126 1510974 1930689 2266461 3861378 4532922 5792067 11584134 17376201 34752402 52128603 104257206