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126332231 = 5312231949
BaseRepresentation
bin1111000011110…
…10110101000111
322210201100020112
413201322311013
5224320112411
620311423235
73062543354
oct741726507
9283640215
10126332231
1165347303
1236384b1b
13202331cc
1412ac762b
15b156b8b
hex787ad47

126332231 has 8 divisors (see below), whose sum is σ = 128887200. Its totient is φ = 123783712.

The previous prime is 126332191. The next prime is 126332279. The reversal of 126332231 is 132233621.

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

It is a cyclic number.

It is not a de Polignac number, because 126332231 - 210 = 126331207 is a prime.

It is a super-2 number, since 2×1263322312 = 31919665178874722, 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 = 126332197 and 126332206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126332291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63845 + ... + 65793.

It is an arithmetic number, because the mean of its divisors is an integer number (16110900).

Almost surely, 2126332231 is an apocalyptic number.

126332231 is a deficient number, since it is larger than the sum of its proper divisors (2554969).

126332231 is a wasteful number, since it uses less digits than its factorization.

126332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225.

The product of its digits is 1296, while the sum is 23.

The square root of 126332231 is about 11239.7611629429. The cubic root of 126332231 is about 501.7700345612.

Adding to 126332231 its reverse (132233621), we get a palindrome (258565852).

The spelling of 126332231 in words is "one hundred twenty-six million, three hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 53 1223 1949 64819 103297 2383627 126332231