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4257925 = 52729839
BaseRepresentation
bin10000001111100010000101
322000022202221
4100033202011
52042223200
6231132341
751122530
oct20174205
98008687
104257925
112449051
1215140b1
13b610a9
147cba17
1559191a
hex40f885

4257925 has 24 divisors (see below), whose sum is σ = 6249600. Its totient is φ = 2815680.

The previous prime is 4257899. The next prime is 4257931. The reversal of 4257925 is 5297524.

It is not a de Polignac number, because 4257925 - 29 = 4257413 is a prime.

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, 4656 + ... + 5494.

It is an arithmetic number, because the mean of its divisors is an integer number (260400).

Almost surely, 24257925 is an apocalyptic number.

It is an amenable number.

4257925 is a deficient number, since it is larger than the sum of its proper divisors (1991675).

4257925 is a wasteful number, since it uses less digits than its factorization.

4257925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 880 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 4257925 is about 2063.4740124363. The cubic root of 4257925 is about 162.0812096009.

The spelling of 4257925 in words is "four million, two hundred fifty-seven thousand, nine hundred twenty-five".

Divisors: 1 5 7 25 29 35 145 175 203 725 839 1015 4195 5075 5873 20975 24331 29365 121655 146825 170317 608275 851585 4257925