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5438988032 = 28191796247
BaseRepresentation
bin1010001000011000…
…00101111100000000
3112001001102012221012
411010030011330000
542114340104112
62255412220052
7251532430652
oct50414057400
915031365835
105438988032
112341192235
12107960a628
13688aa121a
143984d46d2
1521c76c022
hex144305f00

5438988032 has 72 divisors (see below), whose sum is σ = 11493820800. Its totient is φ = 2561559552.

The previous prime is 5438987989. The next prime is 5438988053. The reversal of 5438988032 is 2308898345.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867533 + ... + 873779.

It is an arithmetic number, because the mean of its divisors is an integer number (159636400).

Almost surely, 25438988032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5438988032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5746910400).

5438988032 is an abundant number, since it is smaller than the sum of its proper divisors (6054832768).

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

5438988032 is a wasteful number, since it uses less digits than its factorization.

5438988032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 5438988032 is about 73749.4951304753. The cubic root of 5438988032 is about 1758.6228069305.

The spelling of 5438988032 in words is "five billion, four hundred thirty-eight million, nine hundred eighty-eight thousand, thirty-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 179 256 304 358 608 716 1216 1432 2432 2864 3401 4864 5728 6247 6802 11456 12494 13604 22912 24988 27208 45824 49976 54416 99952 108832 118693 199904 217664 237386 399808 435328 474772 799616 870656 949544 1118213 1599232 1899088 2236426 3798176 4472852 7596352 8945704 15192704 17891408 21246047 30385408 35782816 42492094 71565632 84984188 143131264 169968376 286262528 339936752 679873504 1359747008 2719494016 5438988032