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10145785 = 513156089
BaseRepresentation
bin100110101100…
…111111111001
3201002110101211
4212230333321
510044131120
61001243121
7152144356
oct46547771
921073354
1010145785
1157aa751
1234934a1
132143030
1414c162d
15d5625a
hex9acff9

10145785 has 8 divisors (see below), whose sum is σ = 13111560. Its totient is φ = 7492224.

The previous prime is 10145777. The next prime is 10145797. The reversal of 10145785 is 58754101.

It can be written as a sum of positive squares in 4 ways, for example, as 2322576 + 7823209 = 1524^2 + 2797^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10145785 - 23 = 10145777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77980 + ... + 78109.

It is an arithmetic number, because the mean of its divisors is an integer number (1638945).

Almost surely, 210145785 is an apocalyptic number.

It is an amenable number.

10145785 is a deficient number, since it is larger than the sum of its proper divisors (2965775).

10145785 is a wasteful number, since it uses less digits than its factorization.

10145785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156107.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 10145785 is about 3185.2448885447. The cubic root of 10145785 is about 216.4853697087.

Adding to 10145785 its reverse (58754101), we get a palindrome (68899886).

The spelling of 10145785 in words is "ten million, one hundred forty-five thousand, seven hundred eighty-five".

Divisors: 1 5 13 65 156089 780445 2029157 10145785