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105250529 = 973732909
BaseRepresentation
bin1100100010111…
…11111011100001
321100001021120202
412101133323201
5203421004104
614235514545
72415420566
oct621377341
9240037522
10105250529
115445830a
122b2b8a55
1318a61627
14dd9a86d
15939051e
hex645fee1

105250529 has 8 divisors (see below), whose sum is σ = 106657320. Its totient is φ = 103850496.

The previous prime is 105250493. The next prime is 105250547. The reversal of 105250529 is 925052501.

It can be written as a sum of positive squares in 4 ways, for example, as 33085504 + 72165025 = 5752^2 + 8495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105250529 - 212 = 105246433 is a prime.

It is a super-2 number, since 2×1052505292 = 22155347709559682, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (105250129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34727 + ... + 37635.

It is an arithmetic number, because the mean of its divisors is an integer number (13332165).

Almost surely, 2105250529 is an apocalyptic number.

It is an amenable number.

105250529 is a deficient number, since it is larger than the sum of its proper divisors (1406791).

105250529 is an equidigital number, since it uses as much as digits as its factorization.

105250529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 105250529 is about 10259.1680461917. The cubic root of 105250529 is about 472.1443124391.

The spelling of 105250529 in words is "one hundred five million, two hundred fifty thousand, five hundred twenty-nine".

Divisors: 1 97 373 2909 36181 282173 1085057 105250529