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1000425 = 35213339
BaseRepresentation
bin11110100001111101001
31212211022210
43310033221
5224003200
633235333
711334456
oct3641751
91784283
101000425
116236a8
12402b49
1329048a
141c082d
1514b650
hexf43e9

1000425 has 12 divisors (see below), whose sum is σ = 1654160. Its totient is φ = 533520.

The previous prime is 1000423. The next prime is 1000427. The reversal of 1000425 is 5240001.

It is an interprime number because it is at equal distance from previous prime (1000423) and next prime (1000427).

It is not a de Polignac number, because 1000425 - 21 = 1000423 is a prime.

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 1000425.

It is not an unprimeable number, because it can be changed into a prime (1000423) 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, 6595 + ... + 6744.

21000425 is an apocalyptic number.

1000425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000425 is a deficient number, since it is larger than the sum of its proper divisors (653735).

1000425 is a wasteful number, since it uses less digits than its factorization.

1000425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13352 (or 13347 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1000425 is about 1000.2124774267. The cubic root of 1000425 is about 100.0141646602.

Adding to 1000425 its reverse (5240001), we get a palindrome (6240426).

The spelling of 1000425 in words is "one million, four hundred twenty-five", and thus it is an aban number.

Divisors: 1 3 5 15 25 75 13339 40017 66695 200085 333475 1000425