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87461127 = 341383059
BaseRepresentation
bin1010011011010…
…00110100000111
320002120111010000
411031220310013
5134342224002
612402332343
72111256465
oct515506407
9202514100
1087461127
1145407926
122535a0b3
1315173460
14b889835
157a2961c
hex5368d07

87461127 has 20 divisors (see below), whose sum is σ = 140703640. Its totient is φ = 53821584.

The previous prime is 87461119. The next prime is 87461131. The reversal of 87461127 is 72116478.

It is not a de Polignac number, because 87461127 - 23 = 87461119 is a prime.

It is a super-2 number, since 2×874611272 = 15298897472220258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87461091 and 87461100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87461177) 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 19 ways as a sum of consecutive naturals, for example, 40477 + ... + 42582.

It is an arithmetic number, because the mean of its divisors is an integer number (7035182).

Almost surely, 287461127 is an apocalyptic number.

87461127 is a deficient number, since it is larger than the sum of its proper divisors (53242513).

87461127 is a wasteful number, since it uses less digits than its factorization.

87461127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83084 (or 83075 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 87461127 is about 9352.0653868544. The cubic root of 87461127 is about 443.8862473383.

It can be divided in two parts, 874 and 61127, that added together give a square (62001 = 2492).

The spelling of 87461127 in words is "eighty-seven million, four hundred sixty-one thousand, one hundred twenty-seven".

Divisors: 1 3 9 13 27 39 81 117 351 1053 83059 249177 747531 1079767 2242593 3239301 6727779 9717903 29153709 87461127