Search a number
-
+
144252330 = 23511294259
BaseRepresentation
bin10001001100100…
…01110110101010
3101001102202222220
420212101312222
5243412033310
622151454510
73401060505
oct1046216652
9331382886
10144252330
1174476a02
1240387436
1323b68a11
141523013c
15c9e6670
hex8991daa

144252330 has 32 divisors (see below), whose sum is σ = 346593600. Its totient is φ = 38424192.

The previous prime is 144252323. The next prime is 144252337. The reversal of 144252330 is 33252441.

It is an interprime number because it is at equal distance from previous prime (144252323) and next prime (144252337).

It is a self number, because there is not a number n which added to its sum of digits gives 144252330.

It is not an unprimeable number, because it can be changed into a prime (144252337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31741 + ... + 35999.

It is an arithmetic number, because the mean of its divisors is an integer number (10831050).

Almost surely, 2144252330 is an apocalyptic number.

144252330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144252330 is an abundant number, since it is smaller than the sum of its proper divisors (202341270).

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

144252330 is a wasteful number, since it uses less digits than its factorization.

144252330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 144252330 is about 12010.5091482418. The cubic root of 144252330 is about 524.4542537459.

The spelling of 144252330 in words is "one hundred forty-four million, two hundred fifty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1129 2258 3387 4259 5645 6774 8518 11290 12777 16935 21295 25554 33870 42590 63885 127770 4808411 9616822 14425233 24042055 28850466 48084110 72126165 144252330