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71461008 = 2433831993
BaseRepresentation
bin1000100001001…
…10100010010000
311222110121002000
410100212202100
5121243223013
611031354000
71525260063
oct420464220
9158417060
1071461008
1137379793
121bb22900
1311a60828
1496c28da
156418973
hex4426890

71461008 has 80 divisors (see below), whose sum is σ = 207695040. Its totient is φ = 23521536.

The previous prime is 71461001. The next prime is 71461043. The reversal of 71461008 is 80016417.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (71461001) 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, 34860 + ... + 36852.

It is an arithmetic number, because the mean of its divisors is an integer number (2596188).

Almost surely, 271461008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71461008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103847520).

71461008 is an abundant number, since it is smaller than the sum of its proper divisors (136234032).

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

71461008 is a wasteful number, since it uses less digits than its factorization.

71461008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 71461008 is about 8453.4613029220. The cubic root of 71461008 is about 414.9760628764.

The spelling of 71461008 in words is "seventy-one million, four hundred sixty-one thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 83 108 144 166 216 249 332 432 498 664 747 996 1328 1494 1992 1993 2241 2988 3984 3986 4482 5976 5979 7972 8964 11952 11958 15944 17928 17937 23916 31888 35856 35874 47832 53811 71748 95664 107622 143496 165419 215244 286992 330838 430488 496257 661676 860976 992514 1323352 1488771 1985028 2646704 2977542 3970056 4466313 5955084 7940112 8932626 11910168 17865252 23820336 35730504 71461008