Search a number
-
+
10804505 = 513715773
BaseRepresentation
bin101001001101…
…110100011001
3202022220222212
4221031310121
510231221010
61023324505
7160560005
oct51156431
922286885
1010804505
11610a648
123750735
132313aca
141613705
15e36505
hexa4dd19

10804505 has 8 divisors (see below), whose sum is σ = 13060872. Its totient is φ = 8579968.

The previous prime is 10804471. The next prime is 10804517. The reversal of 10804505 is 50540801.

10804505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1708249 + 9096256 = 1307^2 + 3016^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10804505 - 28 = 10804249 is a prime.

It is a Duffinian number.

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, 7202 + ... + 8571.

It is an arithmetic number, because the mean of its divisors is an integer number (1632609).

Almost surely, 210804505 is an apocalyptic number.

It is an amenable number.

10804505 is a deficient number, since it is larger than the sum of its proper divisors (2256367).

10804505 is a wasteful number, since it uses less digits than its factorization.

10804505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15915.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 10804505 is about 3287.0206874919. The cubic root of 10804505 is about 221.0726200199.

The spelling of 10804505 in words is "ten million, eight hundred four thousand, five hundred five".

Divisors: 1 5 137 685 15773 78865 2160901 10804505