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71378076 = 22371177249
BaseRepresentation
bin1000100000100…
…10010010011100
311222022101022110
410100102102130
5121233044301
611025514020
71524463230
oct420222234
9158271273
1071378076
1137322450
121baa2910
1311a31b63
1496a05c0
1563ee0d6
hex441249c

71378076 has 48 divisors (see below), whose sum is σ = 207648000. Its totient is φ = 18539520.

The previous prime is 71378071. The next prime is 71378081. The reversal of 71378076 is 67087317.

It is an interprime number because it is at equal distance from previous prime (71378071) and next prime (71378081).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71378071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37701 + ... + 39548.

It is an arithmetic number, because the mean of its divisors is an integer number (4326000).

Almost surely, 271378076 is an apocalyptic number.

It is an amenable number.

71378076 is an abundant number, since it is smaller than the sum of its proper divisors (136269924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71378076 is a wasteful number, since it uses less digits than its factorization.

71378076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77274 (or 77272 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 71378076 is about 8448.5546692911. The cubic root of 71378076 is about 414.8154712594.

The spelling of 71378076 in words is "seventy-one million, three hundred seventy-eight thousand, seventy-six".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 77249 154498 231747 308996 463494 540743 849739 926988 1081486 1622229 1699478 2162972 2549217 3244458 3398956 5098434 5948173 6488916 10196868 11896346 17844519 23792692 35689038 71378076