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230305422 = 23192020223
BaseRepresentation
bin11011011101000…
…10111010001110
3121001100201122110
431232202322032
5432424233142
634504124450
75464364244
oct1556427216
9531321573
10230305422
11109001966
1265166726
13389382c9
1422830794
151534399c
hexdba2e8e

230305422 has 16 divisors (see below), whose sum is σ = 484853760. Its totient is φ = 72727992.

The previous prime is 230305421. The next prime is 230305423. The reversal of 230305422 is 224503032.

It is an interprime number because it is at equal distance from previous prime (230305421) and next prime (230305423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230305421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009998 + ... + 1010225.

It is an arithmetic number, because the mean of its divisors is an integer number (30303360).

Almost surely, 2230305422 is an apocalyptic number.

230305422 is an abundant number, since it is smaller than the sum of its proper divisors (254548338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230305422 is a wasteful number, since it uses less digits than its factorization.

230305422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020247.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 230305422 is about 15175.8170126026. The cubic root of 230305422 is about 612.9636501593.

Adding to 230305422 its reverse (224503032), we get a palindrome (454808454).

The spelling of 230305422 in words is "two hundred thirty million, three hundred five thousand, four hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 2020223 4040446 6060669 12121338 38384237 76768474 115152711 230305422