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105625271 = 2632691493
BaseRepresentation
bin1100100101110…
…11011010110111
321100202022122002
412102323122313
5204020002041
614251525515
72421541253
oct622733267
9240668562
10105625271
1154693914
122b45989b
1318b6307b
1410057263
15941659b
hex64bb6b7

105625271 has 8 divisors (see below), whose sum is σ = 106492320. Its totient is φ = 104762272.

The previous prime is 105625253. The next prime is 105625297. The reversal of 105625271 is 172526501.

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 105625271 - 26 = 105625207 is a prime.

It is a super-2 number, since 2×1056252712 = 22313395747646882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105625211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70001 + ... + 71493.

It is an arithmetic number, because the mean of its divisors is an integer number (13311540).

Almost surely, 2105625271 is an apocalyptic number.

105625271 is a deficient number, since it is larger than the sum of its proper divisors (867049).

105625271 is a wasteful number, since it uses less digits than its factorization.

105625271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 105625271 is about 10277.4155798041. The cubic root of 105625271 is about 472.7040015676.

The spelling of 105625271 in words is "one hundred five million, six hundred twenty-five thousand, two hundred seventy-one".

Divisors: 1 263 269 1493 70747 392659 401617 105625271