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55107286 = 2132119511
BaseRepresentation
bin1101001000110…
…1111011010110
310211200201222121
43102031323112
5103101413121
65245050154
71236255433
oct322157326
9124621877
1055107286
1129119a13
121655695a
13b555c80
147466b8a
154c88141
hex348ded6

55107286 has 8 divisors (see below), whose sum is σ = 89019504. Its totient is φ = 25434120.

The previous prime is 55107281. The next prime is 55107293. The reversal of 55107286 is 68270155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55107281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059730 + ... + 1059781.

It is an arithmetic number, because the mean of its divisors is an integer number (11127438).

Almost surely, 255107286 is an apocalyptic number.

55107286 is a deficient number, since it is larger than the sum of its proper divisors (33912218).

55107286 is a wasteful number, since it uses less digits than its factorization.

55107286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119526.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 55107286 is about 7423.4281837976. The cubic root of 55107286 is about 380.5423603510.

The spelling of 55107286 in words is "fifty-five million, one hundred seven thousand, two hundred eighty-six".

Divisors: 1 2 13 26 2119511 4239022 27553643 55107286