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125243134 = 25310091171
BaseRepresentation
bin1110111011100…
…00111011111110
322201200000021121
413131300323332
5224030240014
620232221154
73050356222
oct735607376
9281600247
10125243134
1164773025
1235b3a7ba
131cc41583
14128c2782
15aede124
hex7770efe

125243134 has 16 divisors (see below), whose sum is σ = 191762640. Its totient is φ = 61326720.

The previous prime is 125243101. The next prime is 125243137. The reversal of 125243134 is 431342521.

It is a super-2 number, since 2×1252431342 = 31371685228283912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125243099 and 125243108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125243137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106369 + ... + 107539.

It is an arithmetic number, because the mean of its divisors is an integer number (11985165).

Almost surely, 2125243134 is an apocalyptic number.

125243134 is a deficient number, since it is larger than the sum of its proper divisors (66519506).

125243134 is a wasteful number, since it uses less digits than its factorization.

125243134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235.

The product of its digits is 2880, while the sum is 25.

The square root of 125243134 is about 11191.2078883381. The cubic root of 125243134 is about 500.3239687099.

Adding to 125243134 its reverse (431342521), we get a palindrome (556585655).

The spelling of 125243134 in words is "one hundred twenty-five million, two hundred forty-three thousand, one hundred thirty-four".

Divisors: 1 2 53 106 1009 1171 2018 2342 53477 62063 106954 124126 1181539 2363078 62621567 125243134