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55162000 = 245327581
BaseRepresentation
bin1101001001101…
…1010010010000
310211210112001001
43102123102100
5103110141000
65250151344
71236604105
oct322332220
9124715031
1055162000
1129157033
1216582554
13b574b4a
14747caac
154c9946a
hex349b490

55162000 has 40 divisors (see below), whose sum is σ = 133386552. Its totient is φ = 22064000.

The previous prime is 55161979. The next prime is 55162007. The reversal of 55162000 is 26155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1227664 + 53934336 = 1108^2 + 7344^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (55162007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11791 + ... + 15790.

Almost surely, 255162000 is an apocalyptic number.

55162000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55162000 is an abundant number, since it is smaller than the sum of its proper divisors (78224552).

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

55162000 is a wasteful number, since it uses less digits than its factorization.

55162000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27604 (or 27588 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 55162000 is about 7427.1124940989. The cubic root of 55162000 is about 380.6682608699.

Adding to 55162000 its reverse (26155), we get a palindrome (55188155).

The spelling of 55162000 in words is "fifty-five million, one hundred sixty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 27581 55162 110324 137905 220648 275810 441296 551620 689525 1103240 1379050 2206480 2758100 3447625 5516200 6895250 11032400 13790500 27581000 55162000