Search a number
-
+
2755045 = 51972797
BaseRepresentation
bin1010100000100111100101
312011222012201
422200213211
51201130140
6135014501
732263126
oct12404745
95158181
102755045
1116119a7
12b0a431
13756007
1451a04d
1539649a
hex2a09e5

2755045 has 8 divisors (see below), whose sum is σ = 3324024. Its totient is φ = 2192064.

The previous prime is 2755043. The next prime is 2755073. The reversal of 2755045 is 5405572.

It can be written as a sum of positive squares in 4 ways, for example, as 1329409 + 1425636 = 1153^2 + 1194^2 .

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 2755045 - 21 = 2755043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755043) 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, 414 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (415503).

22755045 is an apocalyptic number.

It is an amenable number.

2755045 is a deficient number, since it is larger than the sum of its proper divisors (568979).

2755045 is a wasteful number, since it uses less digits than its factorization.

2755045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 2755045 is about 1659.8328229072. The cubic root of 2755045 is about 140.1875886702.

The spelling of 2755045 in words is "two million, seven hundred fifty-five thousand, forty-five".

Divisors: 1 5 197 985 2797 13985 551009 2755045