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106717745 = 587724337
BaseRepresentation
bin1100101110001…
…10001000110001
321102210211020002
412113012020301
5204304431440
614331155345
72434041311
oct627061061
9242724202
10106717745
115526a692
122b8a5b55
13191563c4
141025d441
159580115
hex65c6231

106717745 has 8 divisors (see below), whose sum is σ = 128212584. Its totient is φ = 85273344.

The previous prime is 106717739. The next prime is 106717747. The reversal of 106717745 is 547717601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65141041 + 41576704 = 8071^2 + 6448^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106717745 is a prime.

It is a super-2 number, since 2×1067177452 = 22777354195770050, 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 = 106717699 and 106717708.

It is not an unprimeable number, because it can be changed into a prime (106717747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7784 + ... + 16553.

It is an arithmetic number, because the mean of its divisors is an integer number (16026573).

Almost surely, 2106717745 is an apocalyptic number.

It is an amenable number.

106717745 is a deficient number, since it is larger than the sum of its proper divisors (21494839).

106717745 is an equidigital number, since it uses as much as digits as its factorization.

106717745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25219.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 106717745 is about 10330.4281131035. The cubic root of 106717745 is about 474.3281285944.

The spelling of 106717745 in words is "one hundred six million, seven hundred seventeen thousand, seven hundred forty-five".

Divisors: 1 5 877 4385 24337 121685 21343549 106717745