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105245027 = 127828701
BaseRepresentation
bin1100100010111…
…10100101100011
321100001000000222
412101132211203
5203420320102
614235433255
72415365546
oct621364543
9240030028
10105245027
1154454168
122b2b582b
1318a5bc84
14dd9885d
15938daa2
hex645e963

105245027 has 4 divisors (see below), whose sum is σ = 106073856. Its totient is φ = 104416200.

The previous prime is 105245003. The next prime is 105245039. The reversal of 105245027 is 720542501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105245027 - 26 = 105244963 is a prime.

It is a super-2 number, since 2×1052450272 = 22153031416461458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105244987 and 105245005.

It is not an unprimeable number, because it can be changed into a prime (105235027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414224 + ... + 414477.

It is an arithmetic number, because the mean of its divisors is an integer number (26518464).

Almost surely, 2105245027 is an apocalyptic number.

105245027 is a deficient number, since it is larger than the sum of its proper divisors (828829).

105245027 is an equidigital number, since it uses as much as digits as its factorization.

105245027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828828.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 105245027 is about 10258.8998922886. The cubic root of 105245027 is about 472.1360851383.

Adding to 105245027 its reverse (720542501), we get a palindrome (825787528).

It can be divided in two parts, 10524 and 5027, that added together give a palindrome (15551).

The spelling of 105245027 in words is "one hundred five million, two hundred forty-five thousand, twenty-seven".

Divisors: 1 127 828701 105245027