Search a number
-
+
1042465 = 5208493
BaseRepresentation
bin11111110100000100001
31221221222211
43332200201
5231324330
634202121
711601154
oct3764041
91857884
101042465
11652246
12423341
132a6658
141d1c9b
15158d2a
hexfe821

1042465 has 4 divisors (see below), whose sum is σ = 1250964. Its totient is φ = 833968.

The previous prime is 1042451. The next prime is 1042469. The reversal of 1042465 is 5642401.

1042465 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.

It can be written as a sum of positive squares in 2 ways, for example, as 136161 + 906304 = 369^2 + 952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1042465 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1042469) 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, 104242 + ... + 104251.

It is an arithmetic number, because the mean of its divisors is an integer number (312741).

21042465 is an apocalyptic number.

It is an amenable number.

1042465 is a deficient number, since it is larger than the sum of its proper divisors (208499).

1042465 is an equidigital number, since it uses as much as digits as its factorization.

1042465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208498.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1042465 is about 1021.0117531155. The cubic root of 1042465 is about 101.3959233111.

Adding to 1042465 its reverse (5642401), we get a palindrome (6684866).

The spelling of 1042465 in words is "one million, forty-two thousand, four hundred sixty-five".

Divisors: 1 5 208493 1042465