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105457775 = 5229145459
BaseRepresentation
bin1100100100100…
…10100001101111
321100102210212112
412102102201233
5203444122100
614244154235
72420243033
oct622224157
9240383775
10105457775
1154589a95
122b39897b
1318b04a67
14100121c3
1593d1b35
hex649286f

105457775 has 12 divisors (see below), whose sum is σ = 135277800. Its totient is φ = 81456480.

The previous prime is 105457763. The next prime is 105457789. The reversal of 105457775 is 577754501.

It is a happy number.

It is not a de Polignac number, because 105457775 - 26 = 105457711 is a prime.

It is a super-2 number, since 2×1054577752 = 22242684615901250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72005 + ... + 73454.

It is an arithmetic number, because the mean of its divisors is an integer number (11273150).

Almost surely, 2105457775 is an apocalyptic number.

105457775 is a deficient number, since it is larger than the sum of its proper divisors (29820025).

105457775 is a wasteful number, since it uses less digits than its factorization.

105457775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145498 (or 145493 counting only the distinct ones).

The product of its (nonzero) digits is 171500, while the sum is 41.

The square root of 105457775 is about 10269.2636055367. The cubic root of 105457775 is about 472.4540048357.

The spelling of 105457775 in words is "one hundred five million, four hundred fifty-seven thousand, seven hundred seventy-five".

Divisors: 1 5 25 29 145 725 145459 727295 3636475 4218311 21091555 105457775