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169313152 = 272116269
BaseRepresentation
bin10100001011110…
…00001110000000
3102210120222222111
422011320032000
5321321010102
624444545104
74124065231
oct1205701600
9383528874
10169313152
1187633528
1248852194
13291017c8
14186b5088
15ece6cd7
hexa178380

169313152 has 32 divisors (see below), whose sum is σ = 338956200. Its totient is φ = 84241920.

The previous prime is 169313113. The next prime is 169313159. The reversal of 169313152 is 251313961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169313159) 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, 23874 + ... + 30142.

Almost surely, 2169313152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169313152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169478100).

169313152 is an abundant number, since it is smaller than the sum of its proper divisors (169643048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169313152 is an equidigital number, since it uses as much as digits as its factorization.

169313152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494 (or 6482 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 169313152 is about 13012.0387334191. The cubic root of 169313152 is about 553.2187592006.

The spelling of 169313152 in words is "one hundred sixty-nine million, three hundred thirteen thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 211 422 844 1688 3376 6269 6752 12538 13504 25076 27008 50152 100304 200608 401216 802432 1322759 2645518 5291036 10582072 21164144 42328288 84656576 169313152