Search a number
-
+
2757043 = 171271277
BaseRepresentation
bin1010100001000110110011
312012001221201
422201012303
51201211133
6135032031
732302012
oct12410663
95161851
102757043
111613453
12b0b617
13756bb3
1451aa79
15396d7d
hex2a11b3

2757043 has 8 divisors (see below), whose sum is σ = 2944512. Its totient is φ = 2572416.

The previous prime is 2757037. The next prime is 2757049. The reversal of 2757043 is 3407572.

It is an interprime number because it is at equal distance from previous prime (2757037) and next prime (2757049).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2757043 is a prime.

It is a super-2 number, since 2×27570432 = 15202572207698, which contains 22 as substring.

It is a Duffinian number.

2757043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2757049) 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, 1521 + ... + 2797.

It is an arithmetic number, because the mean of its divisors is an integer number (368064).

22757043 is an apocalyptic number.

2757043 is a deficient number, since it is larger than the sum of its proper divisors (187469).

2757043 is a wasteful number, since it uses less digits than its factorization.

2757043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 2757043 is about 1660.4345816683. The cubic root of 2757043 is about 140.2214691960.

The spelling of 2757043 in words is "two million, seven hundred fifty-seven thousand, forty-three".

Divisors: 1 17 127 1277 2159 21709 162179 2757043