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31426082 = 229678087
BaseRepresentation
bin111011111100…
…0011000100010
32012010121110222
41313320120202
531021113312
63041323042
7531055142
oct167703042
965117428
1031426082
1116814976
12a636482
13668411c
144260922
152b5b672
hex1df8622

31426082 has 16 divisors (see below), whose sum is σ = 49498560. Its totient is φ = 14942928.

The previous prime is 31426069. The next prime is 31426099. The reversal of 31426082 is 28062413.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 158 + ... + 7929.

It is an arithmetic number, because the mean of its divisors is an integer number (3093660).

Almost surely, 231426082 is an apocalyptic number.

31426082 is a deficient number, since it is larger than the sum of its proper divisors (18072478).

31426082 is a wasteful number, since it uses less digits than its factorization.

31426082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 31426082 is about 5605.8970736181. The cubic root of 31426082 is about 315.5707532429.

Adding to 31426082 its reverse (28062413), we get a palindrome (59488495).

The spelling of 31426082 in words is "thirty-one million, four hundred twenty-six thousand, eighty-two".

Divisors: 1 2 29 58 67 134 1943 3886 8087 16174 234523 469046 541829 1083658 15713041 31426082