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105001801 = 612277583
BaseRepresentation
bin1100100001000…
…11001101001001
321022120122101121
412100203031021
5203340024201
614230315241
72413333462
oct620431511
9238518347
10105001801
11542a8453
122b1b8b21
13189a5358
14dd33d69
1593419a1
hex6423349

105001801 has 8 divisors (see below), whose sum is σ = 107207424. Its totient is φ = 102811920.

The previous prime is 105001789. The next prime is 105001811. The reversal of 105001801 is 108100501.

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 105001801 - 29 = 105001289 is a prime.

It is a super-2 number, since 2×1050018012 = 22050756426487202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105001811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10056 + ... + 17638.

It is an arithmetic number, because the mean of its divisors is an integer number (13400928).

Almost surely, 2105001801 is an apocalyptic number.

It is an amenable number.

105001801 is a deficient number, since it is larger than the sum of its proper divisors (2205623).

105001801 is an equidigital number, since it uses as much as digits as its factorization.

105001801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7871.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 105001801 is about 10247.0386453843. The cubic root of 105001801 is about 471.7720953390.

The spelling of 105001801 in words is "one hundred five million, one thousand, eight hundred one".

Divisors: 1 61 227 7583 13847 462563 1721341 105001801