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105201000 = 23325311689
BaseRepresentation
bin1100100010100…
…11110101101000
321022221202122100
412101103311220
5203412413000
614234453400
72415123312
oct621236550
9238852570
10105201000
1154424083
122b294260
1318a44c18
14dd867b2
159380a00
hex6453d68

105201000 has 96 divisors (see below), whose sum is σ = 355609800. Its totient is φ = 28051200.

The previous prime is 105200989. The next prime is 105201017. The reversal of 105201000 is 102501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66487716 + 38713284 = 8154^2 + 6222^2 .

It is a super-2 number, since 2×1052010002 = 22134500802000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3156 + ... + 14844.

Almost surely, 2105201000 is an apocalyptic number.

105201000 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 105201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177804900).

105201000 is an abundant number, since it is smaller than the sum of its proper divisors (250408800).

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

105201000 is a wasteful number, since it uses less digits than its factorization.

105201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716 (or 11699 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 105201000 is about 10256.7538724491. The cubic root of 105201000 is about 472.0702399538.

Adding to 105201000 its reverse (102501), we get a palindrome (105303501).

The spelling of 105201000 in words is "one hundred five million, two hundred one thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 450 500 600 750 900 1000 1125 1500 1800 2250 3000 4500 9000 11689 23378 35067 46756 58445 70134 93512 105201 116890 140268 175335 210402 233780 280536 292225 350670 420804 467560 526005 584450 701340 841608 876675 1052010 1168900 1402680 1461125 1753350 2104020 2337800 2630025 2922250 3506700 4208040 4383375 5260050 5844500 7013400 8766750 10520100 11689000 13150125 17533500 21040200 26300250 35067000 52600500 105201000