Search a number
-
+
10670405 = 52973589
BaseRepresentation
bin101000101101…
…000101000101
3202002010001012
4220231011011
510212423110
61020412005
7156461024
oct50550505
922063035
1010670405
116028919
1236a7005
132297a65
1415ba8bb
15e0b905
hexa2d145

10670405 has 8 divisors (see below), whose sum is σ = 13246200. Its totient is φ = 8241856.

The previous prime is 10670389. The next prime is 10670489. The reversal of 10670405 is 50407601.

It can be written as a sum of positive squares in 4 ways, for example, as 2553604 + 8116801 = 1598^2 + 2849^2 .

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 10670405 - 24 = 10670389 is a prime.

It is a super-2 number, since 2×106704052 = 227715085728050, which contains 22 as substring.

It is a Curzon number.

It is a congruent 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, 36650 + ... + 36939.

It is an arithmetic number, because the mean of its divisors is an integer number (1655775).

Almost surely, 210670405 is an apocalyptic number.

It is an amenable number.

10670405 is a deficient number, since it is larger than the sum of its proper divisors (2575795).

10670405 is an equidigital number, since it uses as much as digits as its factorization.

10670405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73623.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 10670405 is about 3266.5585866474. The cubic root of 10670405 is about 220.1541963075.

The spelling of 10670405 in words is "ten million, six hundred seventy thousand, four hundred five".

Divisors: 1 5 29 145 73589 367945 2134081 10670405