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144793854 = 2328044103
BaseRepresentation
bin10001010000101…
…10000011111110
3101002110021211100
420220112003332
5244031400404
622211233530
73405504342
oct1050260376
9332407740
10144793854
1174806847
12405a88a6
1323cc834a
1415331622
15caa1d39
hex8a160fe

144793854 has 12 divisors (see below), whose sum is σ = 313720056. Its totient is φ = 48264612.

The previous prime is 144793849. The next prime is 144793867. The reversal of 144793854 is 458397441.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 4022034 + ... + 4022069.

It is an arithmetic number, because the mean of its divisors is an integer number (26143338).

Almost surely, 2144793854 is an apocalyptic number.

144793854 is an abundant number, since it is smaller than the sum of its proper divisors (168926202).

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

144793854 is a wasteful number, since it uses less digits than its factorization.

144793854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044111 (or 8044108 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 144793854 is about 12033.0317875422. The cubic root of 144793854 is about 525.1097022455.

The spelling of 144793854 in words is "one hundred forty-four million, seven hundred ninety-three thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 9 18 8044103 16088206 24132309 48264618 72396927 144793854