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31027126 = 2131193351
BaseRepresentation
bin111011001011…
…0111110110110
32011101100012211
41312112332312
530420332001
63025004034
7524504044
oct166267666
964340184
1031027126
1116572159
12a48361a
136574660
144199394
152acd351
hex1d96fb6

31027126 has 8 divisors (see below), whose sum is σ = 50120784. Its totient is φ = 14320200.

The previous prime is 31027109. The next prime is 31027141. The reversal of 31027126 is 62172013.

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

It is a junction number, because it is equal to n+sod(n) for n = 31027097 and 31027106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596650 + ... + 596701.

It is an arithmetic number, because the mean of its divisors is an integer number (6265098).

Almost surely, 231027126 is an apocalyptic number.

31027126 is a deficient number, since it is larger than the sum of its proper divisors (19093658).

31027126 is a wasteful number, since it uses less digits than its factorization.

31027126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193366.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 31027126 is about 5570.1998168827. The cubic root of 31027126 is about 314.2296655068.

Adding to 31027126 its reverse (62172013), we get a palindrome (93199139).

The spelling of 31027126 in words is "thirty-one million, twenty-seven thousand, one hundred twenty-six".

Divisors: 1 2 13 26 1193351 2386702 15513563 31027126