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169039345 = 535395773
BaseRepresentation
bin10100001001101…
…01010111110001
3102210002002101111
422010311113301
5321233224340
624435033321
74121545036
oct1204652761
9383062344
10169039345
1187466842
124873b841
1329036ca7
141864338d
15ec90aea
hexa1355f1

169039345 has 8 divisors (see below), whose sum is σ = 203423976. Its totient is φ = 134846976.

The previous prime is 169039337. The next prime is 169039363. The reversal of 169039345 is 543930961.

169039345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7011904 + 162027441 = 2648^2 + 12729^2 .

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 169039345 - 23 = 169039337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 169039298 and 169039307.

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, 46122 + ... + 49651.

It is an arithmetic number, because the mean of its divisors is an integer number (25427997).

Almost surely, 2169039345 is an apocalyptic number.

It is an amenable number.

169039345 is a deficient number, since it is larger than the sum of its proper divisors (34384631).

169039345 is an equidigital number, since it uses as much as digits as its factorization.

169039345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96131.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 169039345 is about 13001.5131811647. The cubic root of 169039345 is about 552.9203832942.

The spelling of 169039345 in words is "one hundred sixty-nine million, thirty-nine thousand, three hundred forty-five".

Divisors: 1 5 353 1765 95773 478865 33807869 169039345