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83124475 = 5271727941
BaseRepresentation
bin1001111010001…
…10000011111011
312210102011100021
410331012003323
5132234440400
612125351311
72026355260
oct475060373
9183364307
1083124475
1142a15715
1223a08537
13142b55a5
14b07b267
15746e71a
hex4f460fb

83124475 has 24 divisors (see below), whose sum is σ = 124733088. Its totient is φ = 53644800.

The previous prime is 83124473. The next prime is 83124479. The reversal of 83124475 is 57442138.

It is not a de Polignac number, because 83124475 - 21 = 83124473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83124475.

It is not an unprimeable number, because it can be changed into a prime (83124473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10996 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (5197212).

Almost surely, 283124475 is an apocalyptic number.

83124475 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

83124475 is a deficient number, since it is larger than the sum of its proper divisors (41608613).

83124475 is a wasteful number, since it uses less digits than its factorization.

83124475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27975 (or 27970 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 83124475 is about 9117.2624729137. The cubic root of 83124475 is about 436.4250179659.

The spelling of 83124475 in words is "eighty-three million, one hundred twenty-four thousand, four hundred seventy-five".

Divisors: 1 5 7 17 25 35 85 119 175 425 595 2975 27941 139705 195587 474997 698525 977935 2374985 3324979 4889675 11874925 16624895 83124475