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105550325 = 524222013
BaseRepresentation
bin1100100101010…
…01000111110101
321100121111211022
412102221013311
5204010102300
614250150525
72421106616
oct622510765
9240544738
10105550325
1154642581
122b422445
1318b37c1a
1410037c0d
1593ee285
hex64a91f5

105550325 has 6 divisors (see below), whose sum is σ = 130882434. Its totient is φ = 84440240.

The previous prime is 105550321. The next prime is 105550327. The reversal of 105550325 is 523055501.

It can be written as a sum of positive squares in 3 ways, for example, as 323761 + 105226564 = 569^2 + 10258^2 .

It is not a de Polignac number, because 105550325 - 22 = 105550321 is a prime.

It is a super-2 number, since 2×1055503252 = 22281742215211250, 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 = 105550294 and 105550303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105550321) 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, 2110982 + ... + 2111031.

It is an arithmetic number, because the mean of its divisors is an integer number (21813739).

Almost surely, 2105550325 is an apocalyptic number.

It is an amenable number.

105550325 is a deficient number, since it is larger than the sum of its proper divisors (25332109).

105550325 is an equidigital number, since it uses as much as digits as its factorization.

105550325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222023 (or 4222018 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 105550325 is about 10273.7687826815. The cubic root of 105550325 is about 472.5921733527.

The spelling of 105550325 in words is "one hundred five million, five hundred fifty thousand, three hundred twenty-five".

Divisors: 1 5 25 4222013 21110065 105550325