Search a number
-
+
2746945 = 51721901
BaseRepresentation
bin1010011110101001000001
312011120002201
422132221001
51200400240
6134513201
732230405
oct12365101
95146081
102746945
111606903
12b05801
13752416
14517105
15393d9a
hex29ea41

2746945 has 12 divisors (see below), whose sum is σ = 3503484. Its totient is φ = 2067200.

The previous prime is 2746921. The next prime is 2746949. The reversal of 2746945 is 5496472.

It can be written as a sum of positive squares in 6 ways, for example, as 1296 + 2745649 = 36^2 + 1657^2 .

It is not a de Polignac number, because 2746945 - 29 = 2746433 is a prime.

It is a d-powerful number, because it can be written as 27 + 7 + 43 + 62 + 96 + 49 + 59 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2746949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (291957).

22746945 is an apocalyptic number.

It is an amenable number.

2746945 is a deficient number, since it is larger than the sum of its proper divisors (756539).

2746945 is a wasteful number, since it uses less digits than its factorization.

2746945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940 (or 1923 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 2746945 is about 1657.3910220585. The cubic root of 2746945 is about 140.0500671268.

The spelling of 2746945 in words is "two million, seven hundred forty-six thousand, nine hundred forty-five".

Divisors: 1 5 17 85 289 1445 1901 9505 32317 161585 549389 2746945