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103201440 = 2535673209
BaseRepresentation
bin1100010011010…
…11101010100000
321012012011202120
412021223222200
5202404421230
614123544240
72362124556
oct611535240
9235164676
10103201440
1153288851
122a68b080
13184c4a54
14d9c5bd6
1590d8310
hex626baa0

103201440 has 96 divisors (see below), whose sum is σ = 330039360. Its totient is φ = 27101184.

The previous prime is 103201433. The next prime is 103201457. The reversal of 103201440 is 44102301.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×1032014403 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30556 + ... + 33764.

It is an arithmetic number, because the mean of its divisors is an integer number (3437910).

Almost surely, 2103201440 is an apocalyptic number.

103201440 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 103201440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165019680).

103201440 is an abundant number, since it is smaller than the sum of its proper divisors (226837920).

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

103201440 is a wasteful number, since it uses less digits than its factorization.

103201440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294 (or 3286 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 103201440 is about 10158.8109540438. The cubic root of 103201440 is about 469.0602014304.

Adding to 103201440 its reverse (44102301), we get a palindrome (147303741).

The spelling of 103201440 in words is "one hundred three million, two hundred one thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 67 80 96 120 134 160 201 240 268 335 402 480 536 670 804 1005 1072 1340 1608 2010 2144 2680 3209 3216 4020 5360 6418 6432 8040 9627 10720 12836 16045 16080 19254 25672 32090 32160 38508 48135 51344 64180 77016 96270 102688 128360 154032 192540 215003 256720 308064 385080 430006 513440 645009 770160 860012 1075015 1290018 1540320 1720024 2150030 2580036 3225045 3440048 4300060 5160072 6450090 6880096 8600120 10320144 12900180 17200240 20640288 25800360 34400480 51600720 103201440