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55140016 = 2423149837
BaseRepresentation
bin1101001001010…
…1111010110000
310211202101212211
43102111322300
5103103440031
65245501504
71236453031
oct322257260
9124671784
1055140016
1129141568
1216571894
13b567b39
147474a88
154c92bb1
hex3495eb0

55140016 has 20 divisors (see below), whose sum is σ = 111479472. Its totient is φ = 26371136.

The previous prime is 55140013. The next prime is 55140017. The reversal of 55140016 is 61004155.

55140016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55140011) 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, 74551 + ... + 75286.

Almost surely, 255140016 is an apocalyptic number.

It is an amenable number.

55140016 is an abundant number, since it is smaller than the sum of its proper divisors (56339456).

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

55140016 is a wasteful number, since it uses less digits than its factorization.

55140016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149868 (or 149862 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 55140016 is about 7425.6323636442. The cubic root of 55140016 is about 380.6176842469.

The spelling of 55140016 in words is "fifty-five million, one hundred forty thousand, sixteen".

Divisors: 1 2 4 8 16 23 46 92 184 368 149837 299674 599348 1198696 2397392 3446251 6892502 13785004 27570008 55140016