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144139882 = 2473734111
BaseRepresentation
bin10001001011101…
…10011001101010
3101001020001202011
420211312121222
5243344434012
622145230134
73400111615
oct1045663152
9331201664
10144139882
11743aa477
124033234a
1323b29793
141520117c
15c9c31a7
hex897666a

144139882 has 16 divisors (see below), whose sum is σ = 221455872. Its totient is φ = 70330320.

The previous prime is 144139867. The next prime is 144139883. The reversal of 144139882 is 288931441.

144139882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144139883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33007 + ... + 37117.

It is an arithmetic number, because the mean of its divisors is an integer number (13840992).

Almost surely, 2144139882 is an apocalyptic number.

144139882 is a deficient number, since it is larger than the sum of its proper divisors (77315990).

144139882 is a wasteful number, since it uses less digits than its factorization.

144139882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533.

The product of its digits is 55296, while the sum is 40.

The square root of 144139882 is about 12005.8270019187. The cubic root of 144139882 is about 524.3179436140.

The spelling of 144139882 in words is "one hundred forty-four million, one hundred thirty-nine thousand, eight hundred eighty-two".

Divisors: 1 2 47 94 373 746 4111 8222 17531 35062 193217 386434 1533403 3066806 72069941 144139882