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71006942 = 247755393
BaseRepresentation
bin1000011101101…
…11101011011110
311221121112012202
410032313223132
5121134210232
611013531502
71521356216
oct416675336
9157545182
1071006942
1137099626
121b943b92
1311931c56
149605246
156379162
hex43b7ade

71006942 has 8 divisors (see below), whose sum is σ = 108776736. Its totient is φ = 34748032.

The previous prime is 71006941. The next prime is 71006953. The reversal of 71006942 is 24960017.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71006941) by changing a digit.

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, 377603 + ... + 377790.

It is an arithmetic number, because the mean of its divisors is an integer number (13597092).

Almost surely, 271006942 is an apocalyptic number.

71006942 is a deficient number, since it is larger than the sum of its proper divisors (37769794).

71006942 is a wasteful number, since it uses less digits than its factorization.

71006942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755442.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 71006942 is about 8426.5616950213. The cubic root of 71006942 is about 414.0952700690.

Adding to 71006942 its reverse (24960017), we get a palindrome (95966959).

The spelling of 71006942 in words is "seventy-one million, six thousand, nine hundred forty-two".

Divisors: 1 2 47 94 755393 1510786 35503471 71006942