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2285457 = 34571667
BaseRepresentation
bin1000101101111110010001
311022010001120
420231332101
51041113312
6120552453
725266066
oct10557621
94263046
102285457
111321109
12922729
13620355
14436c6d
1530228c
hex22df91

2285457 has 8 divisors (see below), whose sum is σ = 3055776. Its totient is φ = 1519392.

The previous prime is 2285447. The next prime is 2285473. The reversal of 2285457 is 7545822.

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

It is not a de Polignac number, because 2285457 - 27 = 2285329 is a prime.

2285457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2285447) 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, 538 + ... + 2204.

It is an arithmetic number, because the mean of its divisors is an integer number (381972).

22285457 is an apocalyptic number.

It is an amenable number.

2285457 is a deficient number, since it is larger than the sum of its proper divisors (770319).

2285457 is a wasteful number, since it uses less digits than its factorization.

2285457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127.

The product of its digits is 22400, while the sum is 33.

The square root of 2285457 is about 1511.7728003903. The cubic root of 2285457 is about 131.7218085187.

The spelling of 2285457 in words is "two million, two hundred eighty-five thousand, four hundred fifty-seven".

Divisors: 1 3 457 1371 1667 5001 761819 2285457