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144009330 = 23517592729
BaseRepresentation
bin10001001010101…
…10100001110010
3101000222102122220
420211112201302
5243331244310
622142341510
73366026163
oct1045264162
9330872586
10144009330
1174320383
124028a896
1323ab222a
14151a976a
15c999670
hex8956872

144009330 has 32 divisors (see below), whose sum is σ = 345945600. Its totient is φ = 38366592.

The previous prime is 144009323. The next prime is 144009367. The reversal of 144009330 is 33900441.

It is a self number, because there is not a number n which added to its sum of digits gives 144009330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51406 + ... + 54134.

It is an arithmetic number, because the mean of its divisors is an integer number (10810800).

Almost surely, 2144009330 is an apocalyptic number.

144009330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144009330 is an abundant number, since it is smaller than the sum of its proper divisors (201936270).

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

144009330 is a wasteful number, since it uses less digits than its factorization.

144009330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 144009330 is about 12000.3887437033. The cubic root of 144009330 is about 524.1595987442.

Adding to 144009330 its reverse (33900441), we get a palindrome (177909771).

The spelling of 144009330 in words is "one hundred forty-four million, nine thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1759 2729 3518 5277 5458 8187 8795 10554 13645 16374 17590 26385 27290 40935 52770 81870 4800311 9600622 14400933 24001555 28801866 48003110 72004665 144009330