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105357312 = 213321429
BaseRepresentation
bin1100100011110…
…10000000000000
321100020201001200
412101322000000
5203432413222
614242101200
72416344114
oct621720000
9240221050
10105357312
1154520565
122b34a800
1318a9b108
14ddc7744
1593b1eac
hex647a000

105357312 has 84 divisors (see below), whose sum is σ = 304559970. Its totient is φ = 35094528.

The previous prime is 105357311. The next prime is 105357359. The reversal of 105357312 is 213753501.

It can be written as a sum of positive squares in only one way, i.e., 103550976 + 1806336 = 10176^2 + 1344^2 .

It is a super-2 number, since 2×1053573122 = 22200326383730688, which contains 22 as substring.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (105357311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73014 + ... + 74442.

Almost surely, 2105357312 is an apocalyptic number.

105357312 is a gapful number since it is divisible by the number (12) 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 105357312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152279985).

105357312 is an abundant number, since it is smaller than the sum of its proper divisors (199202658).

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

105357312 is an equidigital number, since it uses as much as digits as its factorization.

105357312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 105357312 is about 10264.3709987510. The cubic root of 105357312 is about 472.3039314162.

The spelling of 105357312 in words is "one hundred five million, three hundred fifty-seven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1429 1536 2048 2304 2858 3072 4096 4287 4608 5716 6144 8192 8574 9216 11432 12288 12861 17148 18432 22864 24576 25722 34296 36864 45728 51444 68592 73728 91456 102888 137184 182912 205776 274368 365824 411552 548736 731648 823104 1097472 1463296 1646208 2194944 2926592 3292416 4389888 5853184 6584832 8779776 11706368 13169664 17559552 26339328 35119104 52678656 105357312