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1010309 = 5471847
BaseRepresentation
bin11110110101010000101
31220022212212
43312222011
5224312214
633353205
711405336
oct3665205
91808785
101010309
11630073
12408805
13294b21
141c428d
1514e53e
hexf6a85

1010309 has 4 divisors (see below), whose sum is σ = 1012704. Its totient is φ = 1007916.

The previous prime is 1010297. The next prime is 1010329. The reversal of 1010309 is 9030101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010309 - 216 = 944773 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010293 and 1010302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010329) 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 3 ways as a sum of consecutive naturals, for example, 377 + ... + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (253176).

21010309 is an apocalyptic number.

It is an amenable number.

1010309 is a deficient number, since it is larger than the sum of its proper divisors (2395).

1010309 is an equidigital number, since it uses as much as digits as its factorization.

1010309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1010309 is about 1005.1412836015. The cubic root of 1010309 is about 100.3424592115.

The spelling of 1010309 in words is "one million, ten thousand, three hundred nine".

Divisors: 1 547 1847 1010309