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2557383 = 32693169
BaseRepresentation
bin1001110000010111000111
311210221001220
421300113013
51123314013
6130451423
730510633
oct11602707
94727056
102557383
111497444
12a33b73
136b705a
144a7dc3
15357b23
hex2705c7

2557383 has 8 divisors (see below), whose sum is σ = 3423600. Its totient is φ = 1698048.

The previous prime is 2557369. The next prime is 2557397. The reversal of 2557383 is 3837552.

2557383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2557369) and next prime (2557397).

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

It is not a de Polignac number, because 2557383 - 24 = 2557367 is a prime.

It is a d-powerful number, because it can be written as 217 + 55 + 55 + 77 + 37 + 8 + 313 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (427950).

22557383 is an apocalyptic number.

2557383 is a deficient number, since it is larger than the sum of its proper divisors (866217).

2557383 is a wasteful number, since it uses less digits than its factorization.

2557383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441.

The product of its digits is 25200, while the sum is 33.

The square root of 2557383 is about 1599.1819783877. The cubic root of 2557383 is about 136.7514451841.

The spelling of 2557383 in words is "two million, five hundred fifty-seven thousand, three hundred eighty-three".

Divisors: 1 3 269 807 3169 9507 852461 2557383