Search a number
-
+
169385101 = 307551743
BaseRepresentation
bin10100001100010…
…01110010001101
3102210201122200021
422012021302031
5321330310401
624450302141
74124515054
oct1206116215
9383648607
10169385101
1187682596
1248887951
1329128492
14186d339b
15ed0d2a1
hexa189c8d

169385101 has 4 divisors (see below), whose sum is σ = 169937152. Its totient is φ = 168833052.

The previous prime is 169385081. The next prime is 169385119. The reversal of 169385101 is 101583961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101583961 = 130777723.

It is a cyclic number.

It is not a de Polignac number, because 169385101 - 215 = 169352333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169385701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275565 + ... + 276178.

It is an arithmetic number, because the mean of its divisors is an integer number (42484288).

Almost surely, 2169385101 is an apocalyptic number.

It is an amenable number.

169385101 is a deficient number, since it is larger than the sum of its proper divisors (552051).

169385101 is an equidigital number, since it uses as much as digits as its factorization.

169385101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552050.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 169385101 is about 13014.8031487226. The cubic root of 169385101 is about 553.2971108609.

The spelling of 169385101 in words is "one hundred sixty-nine million, three hundred eighty-five thousand, one hundred one".

Divisors: 1 307 551743 169385101