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4257975 = 35256773
BaseRepresentation
bin10000001111100010110111
322000022211210
4100033202313
52042223400
6231132503
751122631
oct20174267
98008753
104257975
112449097
121514133
13b61117
147cba51
15591950
hex40f8b7

4257975 has 12 divisors (see below), whose sum is σ = 7039976. Its totient is φ = 2270880.

The previous prime is 4257961. The next prime is 4257977. The reversal of 4257975 is 5797524.

It is not a de Polignac number, because 4257975 - 24 = 4257959 is a prime.

It is a super-2 number, since 2×42579752 = 36260702201250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28312 + ... + 28461.

Almost surely, 24257975 is an apocalyptic number.

4257975 is a deficient number, since it is larger than the sum of its proper divisors (2782001).

4257975 is a wasteful number, since it uses less digits than its factorization.

4257975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56786 (or 56781 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 4257975 is about 2063.4861278913. The cubic root of 4257975 is about 162.0818440279.

The spelling of 4257975 in words is "four million, two hundred fifty-seven thousand, nine hundred seventy-five".

Divisors: 1 3 5 15 25 75 56773 170319 283865 851595 1419325 4257975