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2270258 = 21135129
BaseRepresentation
bin1000101010010000110010
311021100012122
420222100302
51040122013
6120354242
725203554
oct10522062
94240178
102270258
111310751
12915982
13616463
144314d4
152eca08
hex22a432

2270258 has 4 divisors (see below), whose sum is σ = 3405390. Its totient is φ = 1135128.

The previous prime is 2270251. The next prime is 2270263. The reversal of 2270258 is 8520722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2229049 + 41209 = 1493^2 + 203^2 .

It is a Curzon 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 as a sum of consecutive naturals, namely, 567563 + ... + 567566.

22270258 is an apocalyptic number.

2270258 is a deficient number, since it is larger than the sum of its proper divisors (1135132).

2270258 is a wasteful number, since it uses less digits than its factorization.

2270258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135131.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2270258 is about 1506.7375352064. The cubic root of 2270258 is about 131.4291618256.

The spelling of 2270258 in words is "two million, two hundred seventy thousand, two hundred fifty-eight".

Divisors: 1 2 1135129 2270258