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27938064 = 2437117559
BaseRepresentation
bin110101010010…
…0110100010000
31221120101211010
41222210310100
524123004224
62434450520
7456320040
oct152446420
957511733
1027938064
1114852310
129433a40
135a325cb
1439d3720
1526bce29
hex1aa4d10

27938064 has 80 divisors (see below), whose sum is σ = 89994240. Its totient is φ = 7255680.

The previous prime is 27938059. The next prime is 27938111. The reversal of 27938064 is 46083972.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (1124928).

Almost surely, 227938064 is an apocalyptic number.

27938064 is a gapful number since it is divisible by the number (24) 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 27938064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44997120).

27938064 is an abundant number, since it is smaller than the sum of its proper divisors (62056176).

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

27938064 is a wasteful number, since it uses less digits than its factorization.

27938064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588 (or 7582 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 27938064 is about 5285.6469802665. The cubic root of 27938064 is about 303.4348340702.

The spelling of 27938064 in words is "twenty-seven million, nine hundred thirty-eight thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 132 154 168 176 231 264 308 336 462 528 616 924 1232 1848 3696 7559 15118 22677 30236 45354 52913 60472 83149 90708 105826 120944 158739 166298 181416 211652 249447 317478 332596 362832 423304 498894 582043 634956 665192 846608 997788 1164086 1269912 1330384 1746129 1995576 2328172 2539824 3492258 3991152 4656344 6984516 9312688 13969032 27938064