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71483512 = 238935439
BaseRepresentation
bin1000100001011…
…00000001111000
311222111201221111
410100230001320
5121244433022
611032050104
71525412512
oct420540170
9158451844
1071483512
1137394691
121bb33934
1311a6ab49
1496cabb2
156420477
hex442c078

71483512 has 8 divisors (see below), whose sum is σ = 134031600. Its totient is φ = 35741752.

The previous prime is 71483479. The next prime is 71483527. The reversal of 71483512 is 21538417.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×714835124 (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4467712 + ... + 4467727.

It is an arithmetic number, because the mean of its divisors is an integer number (16753950).

Almost surely, 271483512 is an apocalyptic number.

It is an amenable number.

71483512 is a deficient number, since it is larger than the sum of its proper divisors (62548088).

71483512 is a wasteful number, since it uses less digits than its factorization.

71483512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8935445 (or 8935441 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 71483512 is about 8454.7922505523. The cubic root of 71483512 is about 415.0196187561.

The spelling of 71483512 in words is "seventy-one million, four hundred eighty-three thousand, five hundred twelve".

Divisors: 1 2 4 8 8935439 17870878 35741756 71483512