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162340144 = 2429349871
BaseRepresentation
bin10011010110100…
…01110100110000
3102022110201210221
421223101310300
5313024341034
624035302424
74010603611
oct1153216460
9368421727
10162340144
118370060a
124644aa14
132782c975
14177bbc08
15e3babb4
hex9ad1d30

162340144 has 20 divisors (see below), whose sum is σ = 325380960. Its totient is φ = 78370880.

The previous prime is 162340117. The next prime is 162340147. The reversal of 162340144 is 441043261.

It is not an unprimeable number, because it can be changed into a prime (162340147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174472 + ... + 175399.

It is an arithmetic number, because the mean of its divisors is an integer number (16269048).

Almost surely, 2162340144 is an apocalyptic number.

It is an amenable number.

162340144 is an abundant number, since it is smaller than the sum of its proper divisors (163040816).

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

162340144 is a wasteful number, since it uses less digits than its factorization.

162340144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349908 (or 349902 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 162340144 is about 12741.2771730310. The cubic root of 162340144 is about 545.5174436423.

The spelling of 162340144 in words is "one hundred sixty-two million, three hundred forty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 29 58 116 232 464 349871 699742 1399484 2798968 5597936 10146259 20292518 40585036 81170072 162340144