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1004997 = 3747857
BaseRepresentation
bin11110101010111000101
31220001121010
43311113011
5224124442
633312433
711354010
oct3652705
91801533
101004997
11627084
12405719
13292596
141c2377
1514cb9c
hexf55c5

1004997 has 8 divisors (see below), whose sum is σ = 1531456. Its totient is φ = 574272.

The previous prime is 1004987. The next prime is 1005007. The reversal of 1004997 is 7994001.

It is an interprime number because it is at equal distance from previous prime (1004987) and next prime (1005007).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1004997 - 24 = 1004981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23908 + ... + 23949.

It is an arithmetic number, because the mean of its divisors is an integer number (191432).

21004997 is an apocalyptic number.

It is an amenable number.

1004997 is a deficient number, since it is larger than the sum of its proper divisors (526459).

1004997 is an equidigital number, since it uses as much as digits as its factorization.

1004997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47867.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1004997 is about 1002.4953865231. The cubic root of 1004997 is about 100.1662899898.

Adding to 1004997 its reverse (7994001), we get a palindrome (8998998).

The spelling of 1004997 in words is "one million, four thousand, nine hundred ninety-seven".

Divisors: 1 3 7 21 47857 143571 334999 1004997