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105682745 = 573019507
BaseRepresentation
bin1100100110010…
…01011100111001
321100212020110202
412103021130321
5204023321440
614253051545
72422200650
oct623113471
9240766422
10105682745
1154723013
122b486bb5
1318b8328c
1410070197
159428615
hex64c9739

105682745 has 8 divisors (see below), whose sum is σ = 144936384. Its totient is φ = 72468144.

The previous prime is 105682697. The next prime is 105682781. The reversal of 105682745 is 547286501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105682745 - 220 = 104634169 is a prime.

It is a super-2 number, since 2×1056827452 = 22337685181470050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105682699 and 105682708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509719 + ... + 1509788.

It is an arithmetic number, because the mean of its divisors is an integer number (18117048).

Almost surely, 2105682745 is an apocalyptic number.

It is an amenable number.

105682745 is a deficient number, since it is larger than the sum of its proper divisors (39253639).

105682745 is an equidigital number, since it uses as much as digits as its factorization.

105682745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019519.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 105682745 is about 10280.2113305126. The cubic root of 105682745 is about 472.7897236785.

The spelling of 105682745 in words is "one hundred five million, six hundred eighty-two thousand, seven hundred forty-five".

Divisors: 1 5 7 35 3019507 15097535 21136549 105682745