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138827514 = 2373305417
BaseRepresentation
bin10000100011001…
…01011011111010
3100200020011112210
420101211123322
5241014440024
621435315550
73304004640
oct1021453372
9320204483
10138827514
1171401191
123a5abbb6
13229b9777
141461b190
15c2c4129
hex84656fa

138827514 has 16 divisors (see below), whose sum is σ = 317320128. Its totient is φ = 39664992.

The previous prime is 138827503. The next prime is 138827527. The reversal of 138827514 is 415728831.

138827514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652667 + ... + 1652750.

It is an arithmetic number, because the mean of its divisors is an integer number (19832508).

Almost surely, 2138827514 is an apocalyptic number.

138827514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138827514 is an abundant number, since it is smaller than the sum of its proper divisors (178492614).

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

138827514 is a wasteful number, since it uses less digits than its factorization.

138827514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305429.

The product of its digits is 53760, while the sum is 39.

The square root of 138827514 is about 11782.5088160374. The cubic root of 138827514 is about 517.7957906666.

The spelling of 138827514 in words is "one hundred thirty-eight million, eight hundred twenty-seven thousand, five hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 3305417 6610834 9916251 19832502 23137919 46275838 69413757 138827514