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55150136 = 23231931553
BaseRepresentation
bin1101001001100…
…0011000111000
310211202220202122
43102120120320
5103104301021
65250020412
71236524366
oct322303070
9124686678
1055150136
1129149128
1216577708
13b56c622
147478636
154c95bab
hex3498638

55150136 has 32 divisors (see below), whose sum is σ = 108531360. Its totient is φ = 26222592.

The previous prime is 55150133. The next prime is 55150153. The reversal of 55150136 is 63105155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55150133) 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, 34736 + ... + 36288.

It is an arithmetic number, because the mean of its divisors is an integer number (3391605).

Almost surely, 255150136 is an apocalyptic number.

It is an amenable number.

55150136 is a deficient number, since it is larger than the sum of its proper divisors (53381224).

55150136 is a wasteful number, since it uses less digits than its factorization.

55150136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 55150136 is about 7426.3137558280. The cubic root of 55150136 is about 380.6409680955.

The spelling of 55150136 in words is "fifty-five million, one hundred fifty thousand, one hundred thirty-six".

Divisors: 1 2 4 8 23 46 92 184 193 386 772 1544 1553 3106 4439 6212 8878 12424 17756 35512 35719 71438 142876 285752 299729 599458 1198916 2397832 6893767 13787534 27575068 55150136