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84036425 = 5211674561
BaseRepresentation
bin1010000001001…
…00101101001001
312212010111022012
411000210231021
5133003131200
612201105305
72040204104
oct500445511
9185114265
1084036425
11434888a0
1224188235
13145446c5
14b23773b
15759ea35
hex5024b49

84036425 has 24 divisors (see below), whose sum is σ = 115400352. Its totient is φ = 60192000.

The previous prime is 84036419. The next prime is 84036427. The reversal of 84036425 is 52463048.

It is not a de Polignac number, because 84036425 - 210 = 84035401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84036391 and 84036400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84036427) 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, 16145 + ... + 20705.

It is an arithmetic number, because the mean of its divisors is an integer number (4808348).

Almost surely, 284036425 is an apocalyptic number.

It is an amenable number.

84036425 is a deficient number, since it is larger than the sum of its proper divisors (31363927).

84036425 is a wasteful number, since it uses less digits than its factorization.

84036425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 84036425 is about 9167.1383211993. The cubic root of 84036425 is about 438.0152080094.

The spelling of 84036425 in words is "eighty-four million, thirty-six thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 67 275 335 737 1675 3685 4561 18425 22805 50171 114025 250855 305587 1254275 1527935 3361457 7639675 16807285 84036425