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103438816 = 2513231617
BaseRepresentation
bin1100010101001…
…01100111100000
321012122020101021
412022211213200
5202440020231
614133015224
72364133615
oct612454740
9235566337
10103438816
1153430128
122a784514
1318578b00
14da4850c
159133811
hex62a59e0

103438816 has 72 divisors (see below), whose sum is σ = 227997504. Its totient is φ = 46126080.

The previous prime is 103438813. The next prime is 103438823. The reversal of 103438816 is 618834301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103438813) 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, 167340 + ... + 167956.

It is an arithmetic number, because the mean of its divisors is an integer number (3166632).

Almost surely, 2103438816 is an apocalyptic number.

103438816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103438816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113998752).

103438816 is an abundant number, since it is smaller than the sum of its proper divisors (124558688).

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

103438816 is a wasteful number, since it uses less digits than its factorization.

103438816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 103438816 is about 10170.4875006068. The cubic root of 103438816 is about 469.4195580934.

The spelling of 103438816 in words is "one hundred three million, four hundred thirty-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 13 16 26 31 32 52 62 104 124 169 208 248 338 403 416 496 617 676 806 992 1234 1352 1612 2468 2704 3224 4936 5239 5408 6448 8021 9872 10478 12896 16042 19127 19744 20956 32084 38254 41912 64168 76508 83824 104273 128336 153016 167648 208546 248651 256672 306032 417092 497302 612064 834184 994604 1668368 1989208 3232463 3336736 3978416 6464926 7956832 12929852 25859704 51719408 103438816