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10126665 = 325225037
BaseRepresentation
bin100110101000…
…010101001001
3201001111011200
4212220111021
510043023130
61001014413
7152034543
oct46502511
921044150
1010126665
11579734a
123484409
132137413
1414b8693
15d50760
hex9a8549

10126665 has 12 divisors (see below), whose sum is σ = 17552964. Its totient is φ = 5400864.

The previous prime is 10126621. The next prime is 10126673. The reversal of 10126665 is 56662101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7767369 + 2359296 = 2787^2 + 1536^2 .

It is not a de Polignac number, because 10126665 - 28 = 10126409 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112474 + ... + 112563.

It is an arithmetic number, because the mean of its divisors is an integer number (1462747).

Almost surely, 210126665 is an apocalyptic number.

10126665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10126665 is a deficient number, since it is larger than the sum of its proper divisors (7426299).

10126665 is a wasteful number, since it uses less digits than its factorization.

10126665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225048 (or 225045 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 10126665 is about 3182.2421340935. The cubic root of 10126665 is about 216.3492933926.

Adding to 10126665 its reverse (56662101), we get a palindrome (66788766).

The spelling of 10126665 in words is "ten million, one hundred twenty-six thousand, six hundred sixty-five".

Divisors: 1 3 5 9 15 45 225037 675111 1125185 2025333 3375555 10126665