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144306870 = 2354810229
BaseRepresentation
bin10001001100111…
…11001010110110
3101001112112210220
420212133022312
5243420304440
622152555210
73401405511
oct1046371266
9331475726
10144306870
1174503984
12403b2b06
1323b877a6
1415245d78
15ca078d0
hex899f2b6

144306870 has 16 divisors (see below), whose sum is σ = 346336560. Its totient is φ = 38481824.

The previous prime is 144306847. The next prime is 144306889. The reversal of 144306870 is 78603441.

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, 2405085 + ... + 2405144.

It is an arithmetic number, because the mean of its divisors is an integer number (21646035).

Almost surely, 2144306870 is an apocalyptic number.

144306870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144306870 is an abundant number, since it is smaller than the sum of its proper divisors (202029690).

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

144306870 is a wasteful number, since it uses less digits than its factorization.

144306870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810239.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 144306870 is about 12012.7794452408. The cubic root of 144306870 is about 524.5203419467.

The spelling of 144306870 in words is "one hundred forty-four million, three hundred six thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4810229 9620458 14430687 24051145 28861374 48102290 72153435 144306870