Search a number
-
+
10644545 = 54015309
BaseRepresentation
bin101000100110…
…110001000001
3202000210120102
4220212301001
510211111140
61020052145
7156322442
oct50466101
922023512
1010644545
11601044a
123694055
132289062
1415b12c9
15e03e15
hexa26c41

10644545 has 8 divisors (see below), whose sum is σ = 12807720. Its totient is φ = 8492800.

The previous prime is 10644523. The next prime is 10644559. The reversal of 10644545 is 54544601.

It can be written as a sum of positive squares in 4 ways, for example, as 935089 + 9709456 = 967^2 + 3116^2 .

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

It is not a de Polignac number, because 10644545 - 212 = 10640449 is a prime.

It is a super-2 number, since 2×106445452 = 226612676514050, which contains 22 as substring.

It is a Curzon number.

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, 650 + ... + 4659.

It is an arithmetic number, because the mean of its divisors is an integer number (1600965).

Almost surely, 210644545 is an apocalyptic number.

It is an amenable number.

10644545 is a deficient number, since it is larger than the sum of its proper divisors (2163175).

10644545 is an equidigital number, since it uses as much as digits as its factorization.

10644545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 10644545 is about 3262.5978912517. The cubic root of 10644545 is about 219.9762026601.

The spelling of 10644545 in words is "ten million, six hundred forty-four thousand, five hundred forty-five".

Divisors: 1 5 401 2005 5309 26545 2128909 10644545