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2256130 = 25225613
BaseRepresentation
bin1000100110110100000010
311020121211101
420212310002
51034144010
6120205014
725114432
oct10466402
94217741
102256130
111301078
1290976a
1360cbb6
1442a2c2
152e873a
hex226d02

2256130 has 8 divisors (see below), whose sum is σ = 4061052. Its totient is φ = 902448.

The previous prime is 2256127. The next prime is 2256131. The reversal of 2256130 is 316522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2128681 + 127449 = 1459^2 + 357^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2256098 and 2256107.

It is not an unprimeable number, because it can be changed into a prime (2256131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112797 + ... + 112816.

22256130 is an apocalyptic number.

2256130 is a deficient number, since it is larger than the sum of its proper divisors (1804922).

2256130 is a wasteful number, since it uses less digits than its factorization.

2256130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225620.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2256130 is about 1502.0419434889. The cubic root of 2256130 is about 131.1559628753.

The spelling of 2256130 in words is "two million, two hundred fifty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 225613 451226 1128065 2256130