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1538674016 = 251119722189
BaseRepresentation
bin101101110110110…
…0100110101100000
310222020021201221112
41123231210311200
511122400032031
6412403042452
753062341035
oct13355446540
93866251845
101538674016
1171a5a5620
1236b370428
131b6a133c9
141084cd38c
159013862b
hex5bb64d60

1538674016 has 48 divisors (see below), whose sum is σ = 3321576720. Its totient is φ = 695815680.

The previous prime is 1538674013. The next prime is 1538674021. The reversal of 1538674016 is 6104768351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538674013) 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, 58250 + ... + 80438.

It is an arithmetic number, because the mean of its divisors is an integer number (69199515).

Almost surely, 21538674016 is an apocalyptic number.

1538674016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1538674016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660788360).

1538674016 is an abundant number, since it is smaller than the sum of its proper divisors (1782902704).

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

1538674016 is a wasteful number, since it uses less digits than its factorization.

1538674016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22407 (or 22399 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1538674016 is about 39225.9355019100. The cubic root of 1538674016 is about 1154.4688164213.

The spelling of 1538674016 in words is "one billion, five hundred thirty-eight million, six hundred seventy-four thousand, sixteen".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 197 352 394 788 1576 2167 3152 4334 6304 8668 17336 22189 34672 44378 69344 88756 177512 244079 355024 488158 710048 976316 1952632 3905264 4371233 7810528 8742466 17484932 34969864 48083563 69939728 96167126 139879456 192334252 384668504 769337008 1538674016