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144314530 = 2517848909
BaseRepresentation
bin10001001101000…
…01000010100010
3101001112221022121
420212201002202
5243421031110
622153054454
73401440033
oct1046410242
9331487277
10144314530
1174509708
12403b742a
1323b8b119
1415248a8a
15ca09cda
hex89a10a2

144314530 has 16 divisors (see below), whose sum is σ = 275046840. Its totient is φ = 54330112.

The previous prime is 144314509. The next prime is 144314539. The reversal of 144314530 is 35413441.

It can be written as a sum of positive squares in 4 ways, for example, as 83521321 + 60793209 = 9139^2 + 7797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144314495 and 144314504.

It is not an unprimeable number, because it can be changed into a prime (144314539) 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, 424285 + ... + 424624.

Almost surely, 2144314530 is an apocalyptic number.

144314530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144314530 is a deficient number, since it is larger than the sum of its proper divisors (130732310).

144314530 is a wasteful number, since it uses less digits than its factorization.

144314530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848933.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 144314530 is about 12013.0982681405. The cubic root of 144314530 is about 524.5296225276.

Adding to 144314530 its reverse (35413441), we get a palindrome (179727971).

The spelling of 144314530 in words is "one hundred forty-four million, three hundred fourteen thousand, five hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 848909 1697818 4244545 8489090 14431453 28862906 72157265 144314530