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71608023 = 332652149
BaseRepresentation
bin1000100010010…
…10011011010111
311222202001202000
410101022123113
5121312424043
611034450343
71526441514
oct421123327
9158661660
1071608023
113746a193
121bb939b3
1311ab2716
14972030b
1564472d3
hex444a6d7

71608023 has 8 divisors (see below), whose sum is σ = 106086000. Its totient is φ = 47738664.

The previous prime is 71608021. The next prime is 71608037. The reversal of 71608023 is 32080617.

It is not a de Polignac number, because 71608023 - 21 = 71608021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2652149 = 71608023 / (7 + 1 + 6 + 0 + 8 + 0 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71608021) by changing a digit.

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, 1326048 + ... + 1326101.

It is an arithmetic number, because the mean of its divisors is an integer number (13260750).

Almost surely, 271608023 is an apocalyptic number.

71608023 is a deficient number, since it is larger than the sum of its proper divisors (34477977).

71608023 is a wasteful number, since it uses less digits than its factorization.

71608023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652158 (or 2652152 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 71608023 is about 8462.1523857704. The cubic root of 71608023 is about 415.2604413497.

The spelling of 71608023 in words is "seventy-one million, six hundred eight thousand, twenty-three".

Divisors: 1 3 9 27 2652149 7956447 23869341 71608023