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105378601 = 163764373
BaseRepresentation
bin1100100011111…
…11001100101001
321100021210021011
412101333030221
5203434103401
614242343521
72416463146
oct621771451
9240253234
10105378601
1154535559
122b35aba1
1318aa7a03
14ddd13cd
1593b8451
hex647f329

105378601 has 4 divisors (see below), whose sum is σ = 105444612. Its totient is φ = 105312592.

The previous prime is 105378593. The next prime is 105378673. The reversal of 105378601 is 106873501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37810201 + 67568400 = 6149^2 + 8220^2 .

It is a cyclic number.

It is not a de Polignac number, because 105378601 - 23 = 105378593 is a prime.

It is a super-2 number, since 2×1053786012 = 22209299097434402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105378101) 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, 30550 + ... + 33823.

It is an arithmetic number, because the mean of its divisors is an integer number (26361153).

Almost surely, 2105378601 is an apocalyptic number.

It is an amenable number.

105378601 is a deficient number, since it is larger than the sum of its proper divisors (66011).

105378601 is an equidigital number, since it uses as much as digits as its factorization.

105378601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66010.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 105378601 is about 10265.4079802022. The cubic root of 105378601 is about 472.3357412674.

The spelling of 105378601 in words is "one hundred five million, three hundred seventy-eight thousand, six hundred one".

Divisors: 1 1637 64373 105378601