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71441066 = 235720533
BaseRepresentation
bin1000100001000…
…01101010101010
311222102120201102
410100201222222
5121242103231
611031121402
71525144664
oct420415252
9158376642
1071441066
1137365804
121bb13262
1311a54728
1496b9534
156412acb
hex4421aaa

71441066 has 4 divisors (see below), whose sum is σ = 107161602. Its totient is φ = 35720532.

The previous prime is 71441047. The next prime is 71441077. The reversal of 71441066 is 66014417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68973025 + 2468041 = 8305^2 + 1571^2 .

It is a super-2 number, since 2×714410662 = 10207651822432712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17860265 + ... + 17860268.

Almost surely, 271441066 is an apocalyptic number.

71441066 is a deficient number, since it is larger than the sum of its proper divisors (35720536).

71441066 is a wasteful number, since it uses less digits than its factorization.

71441066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35720535.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 71441066 is about 8452.2817037768. The cubic root of 71441066 is about 414.9374580354.

The spelling of 71441066 in words is "seventy-one million, four hundred forty-one thousand, sixty-six".

Divisors: 1 2 35720533 71441066