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144734392 = 23112149519
BaseRepresentation
bin10001010000001…
…11100010111000
3101002100021021001
420220013202320
5244023000032
622210054344
73405136105
oct1050074270
9332307231
10144734392
1174776100
124057a3b4
1323ca726a
1415317aac
15ca8e3e7
hex8a078b8

144734392 has 24 divisors (see below), whose sum is σ = 298292400. Its totient is φ = 65787920.

The previous prime is 144734371. The next prime is 144734393. The reversal of 144734392 is 293437441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144734393) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 73792 + ... + 75727.

It is an arithmetic number, because the mean of its divisors is an integer number (12428850).

Almost surely, 2144734392 is an apocalyptic number.

It is an amenable number.

144734392 is an abundant number, since it is smaller than the sum of its proper divisors (153558008).

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

144734392 is a wasteful number, since it uses less digits than its factorization.

144734392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149547 (or 149532 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 144734392 is about 12030.5607516857. The cubic root of 144734392 is about 525.0378107311.

The spelling of 144734392 in words is "one hundred forty-four million, seven hundred thirty-four thousand, three hundred ninety-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 149519 299038 598076 1196152 1644709 3289418 6578836 13157672 18091799 36183598 72367196 144734392