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5439438888 = 2331317434099
BaseRepresentation
bin1010001000011011…
…10100000000101000
3112001002021010101120
411010031310000220
542114444021023
62255430015240
7251536316262
oct50415640050
915032233346
105439438888
11234146aa44
1210797a7520
13688bcb4c0
143985b0b32
1521c80a8e3
hex144374028

5439438888 has 32 divisors (see below), whose sum is σ = 14644644000. Its totient is φ = 1673673408.

The previous prime is 5439438877. The next prime is 5439438923. The reversal of 5439438888 is 8888349345.

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, 8716738 + ... + 8717361.

It is an arithmetic number, because the mean of its divisors is an integer number (457645125).

Almost surely, 25439438888 is an apocalyptic number.

It is an amenable number.

5439438888 is an abundant number, since it is smaller than the sum of its proper divisors (9205205112).

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

5439438888 is a wasteful number, since it uses less digits than its factorization.

5439438888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17434121 (or 17434117 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 60.

The square root of 5439438888 is about 73752.5517389060. The cubic root of 5439438888 is about 1758.6713983064.

The spelling of 5439438888 in words is "five billion, four hundred thirty-nine million, four hundred thirty-eight thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 17434099 34868198 52302297 69736396 104604594 139472792 209209188 226643287 418418376 453286574 679929861 906573148 1359859722 1813146296 2719719444 5439438888