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169468091 = 1313036007
BaseRepresentation
bin10100001100111…
…10000010111011
3102210212212111222
422012132002323
5321340434331
624452142255
74125312032
oct1206360273
9383785458
10169468091
1187729981
124890798b
13291571a0
1418715719
15ed27b7b
hexa19e0bb

169468091 has 4 divisors (see below), whose sum is σ = 182504112. Its totient is φ = 156432072.

The previous prime is 169468081. The next prime is 169468097. The reversal of 169468091 is 190864961.

169468091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 169468091 - 26 = 169468027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169468097) 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, 6517991 + ... + 6518016.

It is an arithmetic number, because the mean of its divisors is an integer number (45626028).

Almost surely, 2169468091 is an apocalyptic number.

169468091 is a deficient number, since it is larger than the sum of its proper divisors (13036021).

169468091 is a wasteful number, since it uses less digits than its factorization.

169468091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13036020.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 169468091 is about 13017.9910508496. The cubic root of 169468091 is about 553.3874584964.

The spelling of 169468091 in words is "one hundred sixty-nine million, four hundred sixty-eight thousand, ninety-one".

Divisors: 1 13 13036007 169468091