Search a number
-
+
10805457 = 313277063
BaseRepresentation
bin101001001110…
…000011010001
3202022222022010
4221032003101
510231233312
61023333133
7160562535
oct51160321
922288263
1010805457
116110333
1237511a9
132314380
141613bc5
15e3693c
hexa4e0d1

10805457 has 8 divisors (see below), whose sum is σ = 15515584. Its totient is φ = 6649488.

The previous prime is 10805413. The next prime is 10805467. The reversal of 10805457 is 75450801.

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

It is not a de Polignac number, because 10805457 - 219 = 10281169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10805467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138493 + ... + 138570.

It is an arithmetic number, because the mean of its divisors is an integer number (1939448).

Almost surely, 210805457 is an apocalyptic number.

It is an amenable number.

10805457 is a deficient number, since it is larger than the sum of its proper divisors (4710127).

10805457 is a wasteful number, since it uses less digits than its factorization.

10805457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277079.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 10805457 is about 3287.1654962901. The cubic root of 10805457 is about 221.0791128348.

The spelling of 10805457 in words is "ten million, eight hundred five thousand, four hundred fifty-seven".

Divisors: 1 3 13 39 277063 831189 3601819 10805457