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144072330 = 2354802411
BaseRepresentation
bin10001001011001…
…01111010001010
3101001002122002020
420211211322022
5243340303310
622143545310
73366410643
oct1045457212
9331078066
10144072330
1174363746
12402bb236
1323b04acc
14151c46ca
15c9ad170
hex8965e8a

144072330 has 16 divisors (see below), whose sum is σ = 345773664. Its totient is φ = 38419280.

The previous prime is 144072329. The next prime is 144072349. The reversal of 144072330 is 33270441.

It is a self number, because there is not a number n which added to its sum of digits gives 144072330.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2401176 + ... + 2401235.

It is an arithmetic number, because the mean of its divisors is an integer number (21610854).

Almost surely, 2144072330 is an apocalyptic number.

144072330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144072330 is an abundant number, since it is smaller than the sum of its proper divisors (201701334).

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

144072330 is a wasteful number, since it uses less digits than its factorization.

144072330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802421.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 144072330 is about 12003.0133716496. The cubic root of 144072330 is about 524.2360225900.

It can be divided in two parts, 1440723 and 30, that added together give a triangular number (1440753 = T1697).

The spelling of 144072330 in words is "one hundred forty-four million, seventy-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4802411 9604822 14407233 24012055 28814466 48024110 72036165 144072330