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10146869 = 55718217
BaseRepresentation
bin100110101101…
…010000110101
3201002111212222
4212231100311
510044144434
61001252125
7152150465
oct46552065
921074788
1010146869
115800547
123494045
132143685
1414c1ba5
15d5672e
hex9ad435

10146869 has 4 divisors (see below), whose sum is σ = 10165644. Its totient is φ = 10128096.

The previous prime is 10146863. The next prime is 10146907. The reversal of 10146869 is 96864101.

10146869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96864101 = 421230081.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 8614225 = 1238^2 + 2935^2 .

It is a cyclic number.

It is not a de Polignac number, because 10146869 - 28 = 10146613 is a prime.

It is a super-2 number, since 2×101468692 = 205917901006322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10146863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8552 + ... + 9665.

It is an arithmetic number, because the mean of its divisors is an integer number (2541411).

Almost surely, 210146869 is an apocalyptic number.

It is an amenable number.

10146869 is a deficient number, since it is larger than the sum of its proper divisors (18775).

10146869 is an equidigital number, since it uses as much as digits as its factorization.

10146869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18774.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 10146869 is about 3185.4150436011. The cubic root of 10146869 is about 216.4930793728.

The spelling of 10146869 in words is "ten million, one hundred forty-six thousand, eight hundred sixty-nine".

Divisors: 1 557 18217 10146869