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71105342 = 27113712479
BaseRepresentation
bin1000011110011…
…11101100111110
311221210112012012
410033033230332
5121200332332
611020011222
71522246130
oct417175476
9157715165
1071105342
1137156550
121b990b12
1311967989
14962d050
1563983b2
hex43cfb3e

71105342 has 32 divisors (see below), whose sum is σ = 136581120. Its totient is φ = 26952480.

The previous prime is 71105317. The next prime is 71105369. The reversal of 71105342 is 24350117.

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 15 ways as a sum of consecutive naturals, for example, 542 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (4268160).

Almost surely, 271105342 is an apocalyptic number.

71105342 is a deficient number, since it is larger than the sum of its proper divisors (65475778).

71105342 is a wasteful number, since it uses less digits than its factorization.

71105342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 71105342 is about 8432.3983539679. The cubic root of 71105342 is about 414.2864634265.

Adding to 71105342 its reverse (24350117), we get a palindrome (95455459).

The spelling of 71105342 in words is "seventy-one million, one hundred five thousand, three hundred forty-two".

Divisors: 1 2 7 11 14 22 37 74 77 154 259 407 518 814 2849 5698 12479 24958 87353 137269 174706 274538 461723 923446 960883 1921766 3232061 5078953 6464122 10157906 35552671 71105342