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2285146 = 21142573
BaseRepresentation
bin1000101101111001011010
311022002122001
420231321122
51041111041
6120551214
725265143
oct10557132
94262561
102285146
111320956
1292250a
13620176
14436aca
15302131
hex22de5a

2285146 has 4 divisors (see below), whose sum is σ = 3427722. Its totient is φ = 1142572.

The previous prime is 2285141. The next prime is 2285147. The reversal of 2285146 is 6415822.

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., 2283121 + 2025 = 1511^2 + 45^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 216 + 219 + 82 + 56 + 1 + 42 + 68 .

It is not an unprimeable number, because it can be changed into a prime (2285141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571285 + ... + 571288.

22285146 is an apocalyptic number.

2285146 is a deficient number, since it is larger than the sum of its proper divisors (1142576).

2285146 is a wasteful number, since it uses less digits than its factorization.

2285146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142575.

The product of its digits is 3840, while the sum is 28.

The square root of 2285146 is about 1511.6699375194. The cubic root of 2285146 is about 131.7158334423.

The spelling of 2285146 in words is "two million, two hundred eighty-five thousand, one hundred forty-six".

Divisors: 1 2 1142573 2285146