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103928400 = 2433529623
BaseRepresentation
bin1100011000111…
…01001001010000
321020120002222000
412030131021100
5203101202100
614151314000
72401243152
oct614351120
9236502860
10103928400
1153734a44
122a97b900
13186ba8c4
14db34ad2
1591cd900
hex631d250

103928400 has 120 divisors (see below), whose sum is σ = 369946560. Its totient is φ = 27711360.

The previous prime is 103928393. The next prime is 103928401. The reversal of 103928400 is 4829301.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1039284002 = 21602224653120000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103928401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5989 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (3082888).

Almost surely, 2103928400 is an apocalyptic number.

103928400 is a gapful number since it is divisible by the number (10) 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 103928400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184973280).

103928400 is an abundant number, since it is smaller than the sum of its proper divisors (266018160).

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

103928400 is a wasteful number, since it uses less digits than its factorization.

103928400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9650 (or 9633 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 103928400 is about 10194.5279439511. The cubic root of 103928400 is about 470.1589925353.

Subtracting from 103928400 its reverse (4829301), we obtain a palindrome (99099099).

The spelling of 103928400 in words is "one hundred three million, nine hundred twenty-eight thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 108 120 135 144 150 180 200 216 225 240 270 300 360 400 432 450 540 600 675 720 900 1080 1200 1350 1800 2160 2700 3600 5400 9623 10800 19246 28869 38492 48115 57738 76984 86607 96230 115476 144345 153968 173214 192460 230952 240575 259821 288690 346428 384920 433035 461904 481150 519642 577380 692856 721725 769840 866070 962300 1039284 1154760 1299105 1385712 1443450 1732140 1924600 2078568 2165175 2309520 2598210 2886900 3464280 3849200 4157136 4330350 5196420 5773800 6495525 6928560 8660700 10392840 11547600 12991050 17321400 20785680 25982100 34642800 51964200 103928400