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105377725 = 5227715217
BaseRepresentation
bin1100100011111…
…10111110111101
321100021202001201
412101332332331
5203434041400
614242335501
72416460455
oct621767675
9240252051
10105377725
1154534932
122b35a591
1318aa74ab
14ddd0d65
1593b806a
hex647efbd

105377725 has 12 divisors (see below), whose sum is σ = 131148724. Its totient is φ = 83992320.

The previous prime is 105377687. The next prime is 105377731. The reversal of 105377725 is 527773501.

It can be written as a sum of positive squares in 6 ways, for example, as 1602756 + 103774969 = 1266^2 + 10187^2 .

It is not a de Polignac number, because 105377725 - 213 = 105369533 is a prime.

It is a super-2 number, since 2×1053777252 = 22208929852351250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684 + ... + 14533.

Almost surely, 2105377725 is an apocalyptic number.

It is an amenable number.

105377725 is a deficient number, since it is larger than the sum of its proper divisors (25770999).

105377725 is a wasteful number, since it uses less digits than its factorization.

105377725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15504 (or 15499 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 105377725 is about 10265.3653125449. The cubic root of 105377725 is about 472.3344324398.

It can be divided in two parts, 10 and 5377725, that added together give a palindrome (5377735).

The spelling of 105377725 in words is "one hundred five million, three hundred seventy-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 277 1385 6925 15217 76085 380425 4215109 21075545 105377725