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144312230 = 2559244597
BaseRepresentation
bin10001001101000…
…00011110100110
3101001112211011102
420212200132212
5243420442410
622153040102
73401430236
oct1046403646
9331484142
10144312230
1174507a07
12403b6032
1323b8a06a
1415247cc6
15ca092a5
hex89a07a6

144312230 has 16 divisors (see below), whose sum is σ = 264165840. Its totient is φ = 56746272.

The previous prime is 144312229. The next prime is 144312241. The reversal of 144312230 is 32213441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121709 + ... + 122888.

It is an arithmetic number, because the mean of its divisors is an integer number (16510365).

Almost surely, 2144312230 is an apocalyptic number.

144312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144312230 is a deficient number, since it is larger than the sum of its proper divisors (119853610).

144312230 is a wasteful number, since it uses less digits than its factorization.

144312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244663.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 144312230 is about 12013.0025389159. The cubic root of 144312230 is about 524.5268359647.

Adding to 144312230 its reverse (32213441), we get a palindrome (176525671).

It can be divided in two parts, 14431 and 2230, that added together give a palindrome (16661).

The spelling of 144312230 in words is "one hundred forty-four million, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 59 118 295 590 244597 489194 1222985 2445970 14431223 28862446 72156115 144312230