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105601001 = 119600091
BaseRepresentation
bin1100100101101…
…01011111101001
321100201002100012
412102311133221
5204013213001
614251221305
72421410432
oct622653751
9240632305
10105601001
1154677660
122b447835
1318b54ccc
141004c489
15940e2bb
hex64b57e9

105601001 has 4 divisors (see below), whose sum is σ = 115201104. Its totient is φ = 96000900.

The previous prime is 105600899. The next prime is 105601003. The reversal of 105601001 is 100106501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100106501 = 119100591.

It is a cyclic number.

It is not a de Polignac number, because 105601001 - 214 = 105584617 is a prime.

It is a super-2 number, since 2×1056010012 = 22303142824404002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105601003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4800035 + ... + 4800056.

It is an arithmetic number, because the mean of its divisors is an integer number (28800276).

Almost surely, 2105601001 is an apocalyptic number.

105601001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105601001 is a deficient number, since it is larger than the sum of its proper divisors (9600103).

105601001 is an equidigital number, since it uses as much as digits as its factorization.

105601001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9600102.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 105601001 is about 10276.2347676569. The cubic root of 105601001 is about 472.6677936765.

Adding to 105601001 its reverse (100106501), we get a palindrome (205707502).

It can be divided in two parts, 105 and 601001, that added together give a palindrome (601106).

The spelling of 105601001 in words is "one hundred five million, six hundred one thousand, one".

Divisors: 1 11 9600091 105601001