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4247525 = 52238389
BaseRepresentation
bin10000001100111111100101
321222210111202
4100030333211
52041410100
6231012245
751050312
oct20147745
97883452
104247525
112441257
12150a085
13b59439
147c7d09
1558d7d5
hex40cfe5

4247525 has 24 divisors (see below), whose sum is σ = 5624640. Its totient is φ = 3175040.

The previous prime is 4247513. The next prime is 4247539. The reversal of 4247525 is 5257424.

It is a happy number.

It is not a de Polignac number, because 4247525 - 26 = 4247461 is a prime.

It is a d-powerful number, because it can be written as 4 + 29 + 411 + 75 + 5 + 215 + 55 .

Its product of digits (11200) is a multiple of the sum of its prime divisors (200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47681 + ... + 47769.

It is an arithmetic number, because the mean of its divisors is an integer number (234360).

Almost surely, 24247525 is an apocalyptic number.

It is an amenable number.

4247525 is a deficient number, since it is larger than the sum of its proper divisors (1377115).

4247525 is a wasteful number, since it uses less digits than its factorization.

4247525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 200 counting only the distinct ones).

The product of its digits is 11200, while the sum is 29.

The square root of 4247525 is about 2060.9524497183. The cubic root of 4247525 is about 161.9491406672.

The spelling of 4247525 in words is "four million, two hundred forty-seven thousand, five hundred twenty-five".

Divisors: 1 5 23 25 83 89 115 415 445 575 1909 2047 2075 2225 7387 9545 10235 36935 47725 51175 169901 184675 849505 4247525