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144352340 = 22511656147
BaseRepresentation
bin10001001101010…
…10010001010100
3101001121212011222
420212222101110
5243423233330
622153545512
73401655206
oct1046522124
9331555158
10144352340
1174535060
1240415298
1323ba23b2
1415258776
15ca160e5
hex89aa454

144352340 has 24 divisors (see below), whose sum is σ = 330698592. Its totient is φ = 52491680.

The previous prime is 144352319. The next prime is 144352363. The reversal of 144352340 is 43253441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327854 + ... + 328293.

It is an arithmetic number, because the mean of its divisors is an integer number (13779108).

Almost surely, 2144352340 is an apocalyptic number.

144352340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144352340 is an abundant number, since it is smaller than the sum of its proper divisors (186346252).

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

144352340 is a wasteful number, since it uses less digits than its factorization.

144352340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656167 (or 656165 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 144352340 is about 12014.6718640169. The cubic root of 144352340 is about 524.5754269551.

The spelling of 144352340 in words is "one hundred forty-four million, three hundred fifty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 656147 1312294 2624588 3280735 6561470 7217617 13122940 14435234 28870468 36088085 72176170 144352340