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1386055 = 51122979
BaseRepresentation
bin101010010011001000111
32121102022101
411102121013
5323323210
645412531
714531656
oct5223107
92542271
101386055
11867400
1256a147
13396b68
1428119d
151c5a3a
hex152647

1386055 has 24 divisors (see below), whose sum is σ = 1915200. Its totient is φ = 960960.

The previous prime is 1386053. The next prime is 1386079. The reversal of 1386055 is 5506831.

It is not a de Polignac number, because 1386055 - 21 = 1386053 is a prime.

It is a super-2 number, since 2×13860552 = 3842296926050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17506 + ... + 17584.

It is an arithmetic number, because the mean of its divisors is an integer number (79800).

21386055 is an apocalyptic number.

1386055 is a deficient number, since it is larger than the sum of its proper divisors (529145).

1386055 is a wasteful number, since it uses less digits than its factorization.

1386055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1386055 is about 1177.3083708188. The cubic root of 1386055 is about 111.4962227333.

It can be divided in two parts, 13 and 86055, that added together give a palindrome (86068).

The spelling of 1386055 in words is "one million, three hundred eighty-six thousand, fifty-five".

Divisors: 1 5 11 29 55 79 121 145 319 395 605 869 1595 2291 3509 4345 9559 11455 17545 25201 47795 126005 277211 1386055