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1004749 is a prime number
BaseRepresentation
bin11110101010011001101
31220001020221
43311103031
5224122444
633311341
711353204
oct3652315
91801227
101004749
11626979
12405551
13292435
141c223b
1514ca84
hexf54cd

1004749 has 2 divisors, whose sum is σ = 1004750. Its totient is φ = 1004748.

The previous prime is 1004747. The next prime is 1004761. The reversal of 1004749 is 9474001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 24649 = 990^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004749 - 21 = 1004747 is a prime.

Together with 1004747, it forms a pair of twin primes.

1004749 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502374 + 502375.

It is an arithmetic number, because the mean of its divisors is an integer number (502375).

21004749 is an apocalyptic number.

It is an amenable number.

1004749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004749 is an equidigital number, since it uses as much as digits as its factorization.

1004749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1004749 is about 1002.3716875491. The cubic root of 1004749 is about 100.1580500702.

The spelling of 1004749 in words is "one million, four thousand, seven hundred forty-nine".