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2306530 = 25230653
BaseRepresentation
bin1000110011000111100010
311100011222001
420303013202
51042302110
6121234214
725414402
oct10630742
94304861
102306530
111335a26
1293296a
13629b15
14440802
1530863a
hex2331e2

2306530 has 8 divisors (see below), whose sum is σ = 4151772. Its totient is φ = 922608.

The previous prime is 2306527. The next prime is 2306531. The reversal of 2306530 is 356032.

It can be written as a sum of positive squares in 2 ways, for example, as 2283121 + 23409 = 1511^2 + 153^2 .

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 = 2306498 and 2306507.

It is not an unprimeable number, because it can be changed into a prime (2306531) 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, 115317 + ... + 115336.

22306530 is an apocalyptic number.

2306530 is a deficient number, since it is larger than the sum of its proper divisors (1845242).

2306530 is a wasteful number, since it uses less digits than its factorization.

2306530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230660.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 2306530 is about 1518.7264401465. The cubic root of 2306530 is about 132.1254164606.

The spelling of 2306530 in words is "two million, three hundred six thousand, five hundred thirty".

Divisors: 1 2 5 10 230653 461306 1153265 2306530