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2270257 = 111791153
BaseRepresentation
bin1000101010010000110001
311021100012121
420222100301
51040122012
6120354241
725203553
oct10522061
94240177
102270257
111310750
12915981
13616462
144314d3
152eca07
hex22a431

2270257 has 8 divisors (see below), whose sum is σ = 2492640. Its totient is φ = 2050560.

The previous prime is 2270251. The next prime is 2270263. The reversal of 2270257 is 7520722.

It is an interprime number because it is at equal distance from previous prime (2270251) and next prime (2270263).

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

It is a cyclic number.

It is not a de Polignac number, because 2270257 - 23 = 2270249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2270251) 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, 1393 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (311580).

22270257 is an apocalyptic number.

It is an amenable number.

2270257 is a deficient number, since it is larger than the sum of its proper divisors (222383).

2270257 is a wasteful number, since it uses less digits than its factorization.

2270257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2270257 is about 1506.7372033636. The cubic root of 2270257 is about 131.4291425283.

Adding to 2270257 its reverse (7520722), we get a palindrome (9790979).

The spelling of 2270257 in words is "two million, two hundred seventy thousand, two hundred fifty-seven".

Divisors: 1 11 179 1153 1969 12683 206387 2270257