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106381577 = 443240139
BaseRepresentation
bin1100101011101…
…00000100001001
321102011202002102
412111310010021
5204213202302
614320043145
72431141241
oct625640411
9242152072
10106381577
1155060065
122b7634b5
13190693a3
14101b2b21
159515702
hex6574109

106381577 has 4 divisors (see below), whose sum is σ = 106622160. Its totient is φ = 106140996.

The previous prime is 106381571. The next prime is 106381591. The reversal of 106381577 is 775183601.

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.

It is a cyclic number.

It is not a de Polignac number, because 106381577 - 222 = 102187273 is a prime.

It is a super-2 number, since 2×1063815772 = 22634079850013858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106381577.

It is not an unprimeable number, because it can be changed into a prime (106381571) 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 3 ways as a sum of consecutive naturals, for example, 119627 + ... + 120512.

It is an arithmetic number, because the mean of its divisors is an integer number (26655540).

Almost surely, 2106381577 is an apocalyptic number.

It is an amenable number.

106381577 is a deficient number, since it is larger than the sum of its proper divisors (240583).

106381577 is an equidigital number, since it uses as much as digits as its factorization.

106381577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240582.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 106381577 is about 10314.1445113010. The cubic root of 106381577 is about 473.8295496495.

The spelling of 106381577 in words is "one hundred six million, three hundred eighty-one thousand, five hundred seventy-seven".

Divisors: 1 443 240139 106381577