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10133845 = 52026769
BaseRepresentation
bin100110101010…
…000101010101
3201001212000121
4212222011111
510043240340
61001111541
7152064511
oct46520525
921055017
1010133845
1157a1787
1234885b1
13213a777
1414bb141
15d5294a
hex9aa155

10133845 has 4 divisors (see below), whose sum is σ = 12160620. Its totient is φ = 8107072.

The previous prime is 10133843. The next prime is 10133857. The reversal of 10133845 is 54833101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 9006001 = 1062^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 10133845 - 21 = 10133843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10133843) 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, 1013380 + ... + 1013389.

It is an arithmetic number, because the mean of its divisors is an integer number (3040155).

Almost surely, 210133845 is an apocalyptic number.

It is an amenable number.

10133845 is a deficient number, since it is larger than the sum of its proper divisors (2026775).

10133845 is an equidigital number, since it uses as much as digits as its factorization.

10133845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026774.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 10133845 is about 3183.3700695961. The cubic root of 10133845 is about 216.4004132478.

Adding to 10133845 its reverse (54833101), we get a palindrome (64966946).

The spelling of 10133845 in words is "ten million, one hundred thirty-three thousand, eight hundred forty-five".

Divisors: 1 5 2026769 10133845