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71450010 = 2325793889
BaseRepresentation
bin1000100001000…
…11110110011010
311222110000222200
410100203312122
5121242400020
611031231030
71525213032
oct420436632
9158400880
1071450010
11373714a5
121bb18476
1311a58818
1496bc8c2
156415590
hex4423d9a

71450010 has 24 divisors (see below), whose sum is σ = 185770260. Its totient is φ = 19053312.

The previous prime is 71449979. The next prime is 71450033. The reversal of 71450010 is 1005417.

It can be written as a sum of positive squares in 2 ways, for example, as 71216721 + 233289 = 8439^2 + 483^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396855 + ... + 397034.

Almost surely, 271450010 is an apocalyptic number.

71450010 is an abundant number, since it is smaller than the sum of its proper divisors (114320250).

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

71450010 is a wasteful number, since it uses less digits than its factorization.

71450010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793902 (or 793899 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 71450010 is about 8452.8107751209. The cubic root of 71450010 is about 414.9547732201.

Adding to 71450010 its reverse (1005417), we get a palindrome (72455427).

The spelling of 71450010 in words is "seventy-one million, four hundred fifty thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 793889 1587778 2381667 3969445 4763334 7145001 7938890 11908335 14290002 23816670 35725005 71450010