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138853296 = 2432964259
BaseRepresentation
bin10000100011010…
…11101110110000
3100200021110220200
420101223232300
5241021301141
621440035200
73304143051
oct1021535660
9320243820
10138853296
117141959a
123a602b00
13229c841a
1414626728
15c2cbab6
hex846bbb0

138853296 has 30 divisors (see below), whose sum is σ = 388596780. Its totient is φ = 46284384.

The previous prime is 138853259. The next prime is 138853301. The reversal of 138853296 is 692358831.

It is a happy 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, 481986 + ... + 482273.

It is an arithmetic number, because the mean of its divisors is an integer number (12953226).

Almost surely, 2138853296 is an apocalyptic number.

138853296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138853296 is an abundant number, since it is smaller than the sum of its proper divisors (249743484).

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

138853296 is a wasteful number, since it uses less digits than its factorization.

138853296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964273 (or 964264 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 138853296 is about 11783.6028446312. The cubic root of 138853296 is about 517.8278423936.

The spelling of 138853296 in words is "one hundred thirty-eight million, eight hundred fifty-three thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 964259 1928518 2892777 3857036 5785554 7714072 8678331 11571108 15428144 17356662 23142216 34713324 46284432 69426648 138853296