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10745309 = 17237181
BaseRepresentation
bin101000111111…
…010111011101
3202012220210102
4220333113131
510222322214
61022150445
7160222301
oct50772735
922186712
1010745309
11607a123
123722425
1322c2b93
1415d9d01
15e23bde
hexa3f5dd

10745309 has 6 divisors (see below), whose sum is σ = 11414874. Its totient is φ = 10112960.

The previous prime is 10745297. The next prime is 10745323. The reversal of 10745309 is 90354701.

It can be written as a sum of positive squares in 3 ways, for example, as 3319684 + 7425625 = 1822^2 + 2725^2 .

It is not a de Polignac number, because 10745309 - 220 = 9696733 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 (10745359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18302 + ... + 18879.

It is an arithmetic number, because the mean of its divisors is an integer number (1902479).

Almost surely, 210745309 is an apocalyptic number.

It is an amenable number.

10745309 is a deficient number, since it is larger than the sum of its proper divisors (669565).

10745309 is an equidigital number, since it uses as much as digits as its factorization.

10745309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37215 (or 37198 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 10745309 is about 3278.0038132986. The cubic root of 10745309 is about 220.6681409750.

The spelling of 10745309 in words is "ten million, seven hundred forty-five thousand, three hundred nine".

Divisors: 1 17 289 37181 632077 10745309