Search a number
-
+
5461945 = 51092389
BaseRepresentation
bin10100110101011110111001
3101021111101021
4110311132321
52344240240
6313022441
764266016
oct24653671
911244337
105461945
1130a0705
1219b4a21
131193128
14a2270d
1572d54a
hex5357b9

5461945 has 4 divisors (see below), whose sum is σ = 6554340. Its totient is φ = 4369552.

The previous prime is 5461943. The next prime is 5461957. The reversal of 5461945 is 5491645.

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 678976 + 4782969 = 824^2 + 2187^2 .

It is a cyclic number.

It is not a de Polignac number, because 5461945 - 21 = 5461943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5461945.

It is not an unprimeable number, because it can be changed into a prime (5461943) 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, 546190 + ... + 546199.

It is an arithmetic number, because the mean of its divisors is an integer number (1638585).

Almost surely, 25461945 is an apocalyptic number.

It is an amenable number.

5461945 is a deficient number, since it is larger than the sum of its proper divisors (1092395).

5461945 is a wasteful number, since it uses less digits than its factorization.

5461945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092394.

The product of its digits is 21600, while the sum is 34.

The square root of 5461945 is about 2337.0804436305. The cubic root of 5461945 is about 176.1093608377.

The spelling of 5461945 in words is "five million, four hundred sixty-one thousand, nine hundred forty-five".

Divisors: 1 5 1092389 5461945