Search a number
-
+
2557074 = 231332783
BaseRepresentation
bin1001110000010010010010
311210220122110
421300102102
51123311244
6130450150
730510012
oct11602222
94726573
102557074
111497193
12a33956
136b6b80
144a7c42
153579b9
hex270492

2557074 has 16 divisors (see below), whose sum is σ = 5507712. Its totient is φ = 786768.

The previous prime is 2557067. The next prime is 2557099. The reversal of 2557074 is 4707552.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16314 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (344232).

22557074 is an apocalyptic number.

2557074 is an abundant number, since it is smaller than the sum of its proper divisors (2950638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2557074 is a wasteful number, since it uses less digits than its factorization.

2557074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32801.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 2557074 is about 1599.0853635751. The cubic root of 2557074 is about 136.7459372230.

The spelling of 2557074 in words is "two million, five hundred fifty-seven thousand, seventy-four".

Divisors: 1 2 3 6 13 26 39 78 32783 65566 98349 196698 426179 852358 1278537 2557074