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106438836 = 223717193923
BaseRepresentation
bin1100101100000…
…10000010110100
321102021122122010
412112002002310
5204222020321
614321204220
72431500210
oct626020264
9242248563
10106438836
115509a089
122b790670
131908947a
14101c9940
159527676
hex65820b4

106438836 has 96 divisors (see below), whose sum is σ = 316431360. Its totient is φ = 27108864.

The previous prime is 106438831. The next prime is 106438867. The reversal of 106438836 is 638834601.

It is a super-2 number, since 2×1064388362 = 22658451618069792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106438794 and 106438803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106438831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25171 + ... + 29093.

It is an arithmetic number, because the mean of its divisors is an integer number (3296160).

Almost surely, 2106438836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106438836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158215680).

106438836 is an abundant number, since it is smaller than the sum of its proper divisors (209992524).

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

106438836 is a wasteful number, since it uses less digits than its factorization.

106438836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973 (or 3971 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 106438836 is about 10316.9198891917. The cubic root of 106438836 is about 473.9145460079.

The spelling of 106438836 in words is "one hundred six million, four hundred thirty-eight thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 14 17 19 21 28 34 38 42 51 57 68 76 84 102 114 119 133 204 228 238 266 323 357 399 476 532 646 714 798 969 1292 1428 1596 1938 2261 3876 3923 4522 6783 7846 9044 11769 13566 15692 23538 27132 27461 47076 54922 66691 74537 82383 109844 133382 149074 164766 200073 223611 266764 298148 329532 400146 447222 466837 521759 800292 894444 933674 1043518 1267129 1400511 1565277 1867348 2087036 2534258 2801022 3130554 3801387 5068516 5602044 6261108 7602774 8869903 15205548 17739806 26609709 35479612 53219418 106438836