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144807039 = 32134130187
BaseRepresentation
bin10001010000110…
…01010001111111
3101002110221220200
420220121101333
5244032311124
622211414543
73405560646
oct1050312177
9332427820
10144807039
1174815743
12405b4453
1324001350
141533635d
15caa5bc9
hex8a1947f

144807039 has 24 divisors (see below), whose sum is σ = 230757072. Its totient is φ = 86935680.

The previous prime is 144807023. The next prime is 144807041. The reversal of 144807039 is 930708441.

It is a happy number.

144807039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144807039 - 24 = 144807023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144806994 and 144807012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144807049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10297 + ... + 19890.

It is an arithmetic number, because the mean of its divisors is an integer number (9614878).

Almost surely, 2144807039 is an apocalyptic number.

144807039 is a deficient number, since it is larger than the sum of its proper divisors (85950033).

144807039 is a wasteful number, since it uses less digits than its factorization.

144807039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30247 (or 30244 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 144807039 is about 12033.5796419852. The cubic root of 144807039 is about 525.1256406781.

The spelling of 144807039 in words is "one hundred forty-four million, eight hundred seven thousand, thirty-nine".

Divisors: 1 3 9 13 39 41 117 123 369 533 1599 4797 30187 90561 271683 392431 1177293 1237667 3531879 3713001 11139003 16089671 48269013 144807039