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106865280 = 2732518553
BaseRepresentation
bin1100101111010…
…10001010000000
321110002022121100
412113222022000
5204324142110
614334254400
72435224404
oct627521200
9243068540
10106865280
1155360515
122b957400
13191a85c2
141029b104
1595adbc0
hex65ea280

106865280 has 96 divisors (see below), whose sum is σ = 369039060. Its totient is φ = 28495872.

The previous prime is 106865279. The next prime is 106865303. The reversal of 106865280 is 82568601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95413824 + 11451456 = 9768^2 + 3384^2 .

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

It is a super-2 number, since 2×1068652802 = 22840376138956800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3517 + ... + 15036.

Almost surely, 2106865280 is an apocalyptic number.

106865280 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 106865280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184519530).

106865280 is an abundant number, since it is smaller than the sum of its proper divisors (262173780).

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

106865280 is a wasteful number, since it uses less digits than its factorization.

106865280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18578 (or 18563 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 106865280 is about 10337.5664447683. The cubic root of 106865280 is about 474.5466107740.

The spelling of 106865280 in words is "one hundred six million, eight hundred sixty-five thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 288 320 360 384 480 576 640 720 960 1152 1440 1920 2880 5760 18553 37106 55659 74212 92765 111318 148424 166977 185530 222636 278295 296848 333954 371060 445272 556590 593696 667908 742120 834885 890544 1113180 1187392 1335816 1484240 1669770 1781088 2226360 2374784 2671632 2968480 3339540 3562176 4452720 5343264 5936960 6679080 7124352 8905440 10686528 11873920 13358160 17810880 21373056 26716320 35621760 53432640 106865280