Search a number
-
+
2757145 = 517163199
BaseRepresentation
bin1010100001001000011001
312012002002111
422201020121
51201212040
6135032321
732302216
oct12411031
95162074
102757145
111613536
12b0b6a1
13756c61
1451ab0d
15396dea
hex2a1219

2757145 has 16 divisors (see below), whose sum is σ = 3542400. Its totient is φ = 2052864.

The previous prime is 2757133. The next prime is 2757151. The reversal of 2757145 is 5417572.

It is a cyclic number.

It is not a de Polignac number, because 2757145 - 211 = 2755097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13756 + ... + 13954.

It is an arithmetic number, because the mean of its divisors is an integer number (221400).

22757145 is an apocalyptic number.

It is an amenable number.

2757145 is a deficient number, since it is larger than the sum of its proper divisors (785255).

2757145 is a wasteful number, since it uses less digits than its factorization.

2757145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its digits is 9800, while the sum is 31.

The square root of 2757145 is about 1660.4652962348. The cubic root of 2757145 is about 140.2231983932.

The spelling of 2757145 in words is "two million, seven hundred fifty-seven thousand, one hundred forty-five".

Divisors: 1 5 17 85 163 199 815 995 2771 3383 13855 16915 32437 162185 551429 2757145