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169116745 = 574831907
BaseRepresentation
bin10100001010010…
…00010001001001
3102210020000120011
422011020101021
5321243213440
624440431521
74122316510
oct1205102111
9383200504
10169116745
1187509a06
12487785a1
13290632a5
1418663677
15eca89ea
hexa148449

169116745 has 8 divisors (see below), whose sum is σ = 231931584. Its totient is φ = 115965744.

The previous prime is 169116743. The next prime is 169116781. The reversal of 169116745 is 547611961.

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

It is a cyclic number.

It is not a de Polignac number, because 169116745 - 21 = 169116743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 169116698 and 169116707.

It is not an unprimeable number, because it can be changed into a prime (169116743) 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, 2415919 + ... + 2415988.

It is an arithmetic number, because the mean of its divisors is an integer number (28991448).

Almost surely, 2169116745 is an apocalyptic number.

It is an amenable number.

169116745 is a deficient number, since it is larger than the sum of its proper divisors (62814839).

169116745 is an equidigital number, since it uses as much as digits as its factorization.

169116745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831919.

The product of its digits is 45360, while the sum is 40.

The square root of 169116745 is about 13004.4894171205. The cubic root of 169116745 is about 553.0047611008.

The spelling of 169116745 in words is "one hundred sixty-nine million, one hundred sixteen thousand, seven hundred forty-five".

Divisors: 1 5 7 35 4831907 24159535 33823349 169116745