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71480378 = 2172320743
BaseRepresentation
bin1000100001010…
…11010000111010
311222111120122102
410100223100322
5121244333003
611032023402
71525400414
oct420532072
9158446572
1071480378
11373922a2
121bb31b62
1311a695a8
1496c99b4
15641e588
hex442b43a

71480378 has 8 divisors (see below), whose sum is σ = 107287968. Its totient is φ = 35717724.

The previous prime is 71480371. The next prime is 71480401. The reversal of 71480378 is 87308417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71480371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6926 + ... + 13817.

It is an arithmetic number, because the mean of its divisors is an integer number (13410996).

Almost surely, 271480378 is an apocalyptic number.

71480378 is a deficient number, since it is larger than the sum of its proper divisors (35807590).

71480378 is a wasteful number, since it uses less digits than its factorization.

71480378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22468.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 71480378 is about 8454.6069098451. The cubic root of 71480378 is about 415.0135535323.

The spelling of 71480378 in words is "seventy-one million, four hundred eighty thousand, three hundred seventy-eight".

Divisors: 1 2 1723 3446 20743 41486 35740189 71480378