Search a number
-
+
2455945 = 54311423
BaseRepresentation
bin1001010111100110001001
311121202220221
421113212021
51112042240
6124350041
726606122
oct11274611
94552827
102455945
111428208
129a5321
1367cb2b
1447d049
15337a4a
hex257989

2455945 has 8 divisors (see below), whose sum is σ = 3015936. Its totient is φ = 1918896.

The previous prime is 2455931. The next prime is 2455969. The reversal of 2455945 is 5495542.

It is a happy number.

2455945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2455945 - 217 = 2324873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2455945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5497 + ... + 5926.

It is an arithmetic number, because the mean of its divisors is an integer number (376992).

22455945 is an apocalyptic number.

It is an amenable number.

2455945 is a deficient number, since it is larger than the sum of its proper divisors (559991).

2455945 is a wasteful number, since it uses less digits than its factorization.

2455945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471.

The product of its digits is 36000, while the sum is 34.

The square root of 2455945 is about 1567.1454942028. The cubic root of 2455945 is about 134.9189270881.

The spelling of 2455945 in words is "two million, four hundred fifty-five thousand, nine hundred forty-five".

Divisors: 1 5 43 215 11423 57115 491189 2455945