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55207260 = 22325306707
BaseRepresentation
bin1101001010011…
…0010101011100
310211212211010100
43102212111130
5103113113020
65251141100
71240153053
oct322462534
9124784110
1055207260
1129188039
12165a4790
13b58c624
14749139a
154ca7a90
hex34a655c

55207260 has 36 divisors (see below), whose sum is σ = 167462568. Its totient is φ = 14721888.

The previous prime is 55207247. The next prime is 55207277. The reversal of 55207260 is 6270255.

55207260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 153174 + ... + 153533.

It is an arithmetic number, because the mean of its divisors is an integer number (4651738).

Almost surely, 255207260 is an apocalyptic number.

It is an amenable number.

55207260 is an abundant number, since it is smaller than the sum of its proper divisors (112255308).

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

55207260 is a wasteful number, since it uses less digits than its factorization.

55207260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306722 (or 306717 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 55207260 is about 7430.1588139151. The cubic root of 55207260 is about 380.7723442094.

The spelling of 55207260 in words is "fifty-five million, two hundred seven thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 306707 613414 920121 1226828 1533535 1840242 2760363 3067070 3680484 4600605 5520726 6134140 9201210 11041452 13801815 18402420 27603630 55207260