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105245120 = 265328891
BaseRepresentation
bin1100100010111…
…10100111000000
321100001000011102
412101132213000
5203420320440
614235433532
72415366041
oct621364700
9240030142
10105245120
1154454242
122b2b58a8
1318a5c026
14dd988c8
15938db15
hex645e9c0

105245120 has 28 divisors (see below), whose sum is σ = 250615704. Its totient is φ = 42097920.

The previous prime is 105245111. The next prime is 105245159. The reversal of 105245120 is 21542501.

It is a super-2 number, since 2×1052451202 = 22153070567628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 105245092 and 105245101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164126 + ... + 164765.

Almost surely, 2105245120 is an apocalyptic number.

105245120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105245120 is an abundant number, since it is smaller than the sum of its proper divisors (145370584).

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

105245120 is an equidigital number, since it uses as much as digits as its factorization.

105245120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328908 (or 328898 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 105245120 is about 10258.9044249374. The cubic root of 105245120 is about 472.1362242063.

Adding to 105245120 its reverse (21542501), we get a palindrome (126787621).

The spelling of 105245120 in words is "one hundred five million, two hundred forty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 328891 657782 1315564 1644455 2631128 3288910 5262256 6577820 10524512 13155640 21049024 26311280 52622560 105245120