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2305630 = 25230563
BaseRepresentation
bin1000110010111001011110
311100010201201
420302321132
51042240010
6121230114
725411645
oct10627136
94303651
102305630
111335288
1293233a
136295a2
1444035c
1530823a
hex232e5e

2305630 has 8 divisors (see below), whose sum is σ = 4150152. Its totient is φ = 922248.

The previous prime is 2305627. The next prime is 2305637. The reversal of 2305630 is 365032.

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2305598 and 2305607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305637) 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, 115272 + ... + 115291.

It is an arithmetic number, because the mean of its divisors is an integer number (518769).

22305630 is an apocalyptic number.

2305630 is a deficient number, since it is larger than the sum of its proper divisors (1844522).

2305630 is a wasteful number, since it uses less digits than its factorization.

2305630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230570.

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

The square root of 2305630 is about 1518.4301103442. The cubic root of 2305630 is about 132.1082292653.

The spelling of 2305630 in words is "two million, three hundred five thousand, six hundred thirty".

Divisors: 1 2 5 10 230563 461126 1152815 2305630