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71474004 = 223271811567
BaseRepresentation
bin1000100001010…
…01101101010100
311222111020220100
410100221231110
5121244132004
611031534100
71525343010
oct420515524
9158436810
1071474004
1137388528
121bb2a330
1311a66714
1496c7540
15641c739
hex4429b54

71474004 has 72 divisors (see below), whose sum is σ = 207753728. Its totient is φ = 20295360.

The previous prime is 71473999. The next prime is 71474017. The reversal of 71474004 is 40047417.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 44829 + ... + 46395.

Almost surely, 271474004 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 71474004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103876864).

71474004 is an abundant number, since it is smaller than the sum of its proper divisors (136279724).

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

71474004 is a wasteful number, since it uses less digits than its factorization.

71474004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 71474004 is about 8454.2299471921. The cubic root of 71474004 is about 415.0012173961.

The spelling of 71474004 in words is "seventy-one million, four hundred seventy-four thousand, four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 181 252 362 543 724 1086 1267 1567 1629 2172 2534 3134 3258 3801 4701 5068 6268 6516 7602 9402 10969 11403 14103 15204 18804 21938 22806 28206 32907 43876 45612 56412 65814 98721 131628 197442 283627 394884 567254 850881 1134508 1701762 1985389 2552643 3403524 3970778 5105286 5956167 7941556 10210572 11912334 17868501 23824668 35737002 71474004