Search a number
-
+
2755493 = 13297309
BaseRepresentation
bin1010100000101110100101
312011222211022
422200232211
51201133433
6135020525
732264336
oct12405645
95158738
102755493
111612274
12b0a745
13756290
1451a28d
15396698
hex2a0ba5

2755493 has 8 divisors (see below), whose sum is σ = 3070200. Its totient is φ = 2455488.

The previous prime is 2755471. The next prime is 2755499. The reversal of 2755493 is 3945572.

It can be written as a sum of positive squares in 4 ways, for example, as 88804 + 2666689 = 298^2 + 1633^2 .

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

It is not a de Polignac number, because 2755493 - 26 = 2755429 is a prime.

It is a d-powerful number, because it can be written as 211 + 72 + 53 + 59 + 49 + 94 + 312 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755499) 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, 3278 + ... + 4031.

It is an arithmetic number, because the mean of its divisors is an integer number (383775).

22755493 is an apocalyptic number.

It is an amenable number.

2755493 is a deficient number, since it is larger than the sum of its proper divisors (314707).

2755493 is a wasteful number, since it uses less digits than its factorization.

2755493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351.

The product of its digits is 37800, while the sum is 35.

The square root of 2755493 is about 1659.9677707715. The cubic root of 2755493 is about 140.1951869291.

The spelling of 2755493 in words is "two million, seven hundred fifty-five thousand, four hundred ninety-three".

Divisors: 1 13 29 377 7309 95017 211961 2755493