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1024425 = 325229157
BaseRepresentation
bin11111010000110101001
31221001020200
43322012221
5230240200
633542413
711464443
oct3720651
91831220
101024425
1163a736
12414a09
1329b38c
141c9493
15153800
hexfa1a9

1024425 has 36 divisors (see below), whose sum is σ = 1910220. Its totient is φ = 524160.

The previous prime is 1024421. The next prime is 1024427. The reversal of 1024425 is 5244201.

It can be written as a sum of positive squares in 6 ways, for example, as 56169 + 968256 = 237^2 + 984^2 .

It is not a de Polignac number, because 1024425 - 22 = 1024421 is a prime.

1024425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1024398 and 1024407.

It is not an unprimeable number, because it can be changed into a prime (1024421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6447 + ... + 6603.

21024425 is an apocalyptic number.

1024425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1024425 is a deficient number, since it is larger than the sum of its proper divisors (885795).

1024425 is a wasteful number, since it uses less digits than its factorization.

1024425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1024425 is about 1012.1388244702. The cubic root of 1024425 is about 100.8076265016.

Adding to 1024425 its reverse (5244201), we get a palindrome (6268626).

The spelling of 1024425 in words is "one million, twenty-four thousand, four hundred twenty-five".