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4230025 = 521737269
BaseRepresentation
bin10000001000101110001001
321221220111121
4100020232021
52040330100
6230355241
750645302
oct20105611
97856447
104230025
11242a098
1214bbb21
13b51497
147c17a9
1558851a
hex408b89

4230025 has 24 divisors (see below), whose sum is σ = 5725080. Its totient is φ = 3087360.

The previous prime is 4230007. The next prime is 4230071. The reversal of 4230025 is 5200324.

It can be written as a sum of positive squares in 12 ways, for example, as 710649 + 3519376 = 843^2 + 1876^2 .

It is not a de Polignac number, because 4230025 - 25 = 4229993 is a prime.

It is a super-2 number, since 2×42300252 = 35786223001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4229990 and 4230008.

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, 15591 + ... + 15859.

It is an arithmetic number, because the mean of its divisors is an integer number (238545).

Almost surely, 24230025 is an apocalyptic number.

It is an amenable number.

4230025 is a deficient number, since it is larger than the sum of its proper divisors (1495055).

4230025 is a wasteful number, since it uses less digits than its factorization.

4230025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 4230025 is about 2056.7024578193. The cubic root of 4230025 is about 161.7264218590.

Adding to 4230025 its reverse (5200324), we get a palindrome (9430349).

Subtracting 4230025 from its reverse (5200324), we obtain a cube (970299 = 993).

The spelling of 4230025 in words is "four million, two hundred thirty thousand, twenty-five".

Divisors: 1 5 17 25 37 85 185 269 425 629 925 1345 3145 4573 6725 9953 15725 22865 49765 114325 169201 248825 846005 4230025