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84375125 = 532332897
BaseRepresentation
bin1010000011101…
…11011001010101
312212202200220122
411001313121111
5133100001000
612212241325
72043114422
oct501673125
9185680818
1084375125
114369a30a
1224310245
1314632913
14b2c4d49
15761a085
hex5077655

84375125 has 16 divisors (see below), whose sum is σ = 105788592. Its totient is φ = 67187200.

The previous prime is 84375107. The next prime is 84375127. The reversal of 84375125 is 52157348.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 58629649 + 25745476 = 7657^2 + 5074^2 .

It is not a de Polignac number, because 84375125 - 28 = 84374869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84375127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27677 + ... + 30573.

It is an arithmetic number, because the mean of its divisors is an integer number (6611787).

Almost surely, 284375125 is an apocalyptic number.

It is an amenable number.

84375125 is a deficient number, since it is larger than the sum of its proper divisors (21413467).

84375125 is a wasteful number, since it uses less digits than its factorization.

84375125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145 (or 3135 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 84375125 is about 9185.5933395726. The cubic root of 84375125 is about 438.6028773257.

The spelling of 84375125 in words is "eighty-four million, three hundred seventy-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 233 1165 2897 5825 14485 29125 72425 362125 675001 3375005 16875025 84375125