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105562025 = 526169221
BaseRepresentation
bin1100100101010…
…11111110101001
321100122002212122
412102223332221
5204010441100
614250321025
72421156002
oct622537651
9240562778
10105562025
1154650348
122b429175
1318b4034a
141003c1a9
159402985
hex64abfa9

105562025 has 12 divisors (see below), whose sum is σ = 133044684. Its totient is φ = 83064000.

The previous prime is 105562007. The next prime is 105562049. The reversal of 105562025 is 520265501.

It can be written as a sum of positive squares in 6 ways, for example, as 22733824 + 82828201 = 4768^2 + 9101^2 .

It is not a de Polignac number, because 105562025 - 226 = 38453161 is a prime.

It is a super-2 number, since 2×1055620252 = 22286682244201250, 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 = 105561985 and 105562003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33086 + ... + 36135.

It is an arithmetic number, because the mean of its divisors is an integer number (11087057).

Almost surely, 2105562025 is an apocalyptic number.

It is an amenable number.

105562025 is a deficient number, since it is larger than the sum of its proper divisors (27482659).

105562025 is an equidigital number, since it uses as much as digits as its factorization.

105562025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69292 (or 69287 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 105562025 is about 10274.3381781991. The cubic root of 105562025 is about 472.6096346100.

The spelling of 105562025 in words is "one hundred five million, five hundred sixty-two thousand, twenty-five".

Divisors: 1 5 25 61 305 1525 69221 346105 1730525 4222481 21112405 105562025