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125411331 = 341803777
BaseRepresentation
bin1110111100110…
…10000000000011
322201222120000010
413132122000003
5224101130311
620240000003
73051656463
oct736320003
9281876003
10125411331
1164878431
1236000003
131cc9ccb6
1412927ba3
15b023da6
hex779a003

125411331 has 4 divisors (see below), whose sum is σ = 167215112. Its totient is φ = 83607552.

The previous prime is 125411327. The next prime is 125411353. The reversal of 125411331 is 133114521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133114521 = 344371507.

It is not a de Polignac number, because 125411331 - 22 = 125411327 is a prime.

It is a super-2 number, since 2×1254113312 = 31456003886383122, 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 = 125411298 and 125411307.

It is not an unprimeable number, because it can be changed into a prime (125411731) 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, 20901886 + ... + 20901891.

It is an arithmetic number, because the mean of its divisors is an integer number (41803778).

Almost surely, 2125411331 is an apocalyptic number.

125411331 is a deficient number, since it is larger than the sum of its proper divisors (41803781).

125411331 is an equidigital number, since it uses as much as digits as its factorization.

125411331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41803780.

The product of its digits is 360, while the sum is 21.

The square root of 125411331 is about 11198.7200607927. The cubic root of 125411331 is about 500.5478408549.

Adding to 125411331 its reverse (133114521), we get a palindrome (258525852).

The spelling of 125411331 in words is "one hundred twenty-five million, four hundred eleven thousand, three hundred thirty-one".

Divisors: 1 3 41803777 125411331