Search a number
-
+
10145569 = 71449367
BaseRepresentation
bin100110101100…
…111100100001
3201002110002211
4212230330201
510044124234
61001242121
7152143630
oct46547441
921073084
1010145569
1157aa575
123493341
132142bc5
1414c1517
15d56164
hex9acf21

10145569 has 4 divisors (see below), whose sum is σ = 11594944. Its totient is φ = 8696196.

The previous prime is 10145567. The next prime is 10145591. The reversal of 10145569 is 96554101.

10145569 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10145569 - 21 = 10145567 is a prime.

It is a super-2 number, since 2×101455692 = 205865140667522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10145569.

It is not an unprimeable number, because it can be changed into a prime (10145567) 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, 724677 + ... + 724690.

It is an arithmetic number, because the mean of its divisors is an integer number (2898736).

Almost surely, 210145569 is an apocalyptic number.

It is an amenable number.

10145569 is a deficient number, since it is larger than the sum of its proper divisors (1449375).

10145569 is an equidigital number, since it uses as much as digits as its factorization.

10145569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449374.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 10145569 is about 3185.2109820230. The cubic root of 10145569 is about 216.4838334000.

The spelling of 10145569 in words is "ten million, one hundred forty-five thousand, five hundred sixty-nine".

Divisors: 1 7 1449367 10145569