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84183425 = 5210930893
BaseRepresentation
bin1010000010010…
…00100110000001
312212101221221122
411001020212001
5133022332200
612204202025
72041355504
oct501104601
9185357848
1084183425
1143579287
1224239315
13145965a1
14b27513b
1575cd385
hex5048981

84183425 has 12 divisors (see below), whose sum is σ = 105348540. Its totient is φ = 66726720.

The previous prime is 84183403. The next prime is 84183457. The reversal of 84183425 is 52438148.

It can be written as a sum of positive squares in 6 ways, for example, as 863041 + 83320384 = 929^2 + 9128^2 .

It is not a de Polignac number, because 84183425 - 218 = 83921281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12722 + ... + 18171.

It is an arithmetic number, because the mean of its divisors is an integer number (8779045).

Almost surely, 284183425 is an apocalyptic number.

It is an amenable number.

84183425 is a deficient number, since it is larger than the sum of its proper divisors (21165115).

84183425 is a wasteful number, since it uses less digits than its factorization.

84183425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31012 (or 31007 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 84183425 is about 9175.1525872870. The cubic root of 84183425 is about 438.2704573591.

The spelling of 84183425 in words is "eighty-four million, one hundred eighty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 109 545 2725 30893 154465 772325 3367337 16836685 84183425