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27869952 = 283113299
BaseRepresentation
bin110101001010…
…0001100000000
31221102221101110
41222110030000
524113314302
62433203320
7455614335
oct152241400
957387343
1027869952
1114806120
129400540
135a0a5c6
1439b698c
1526a7b6c
hex1a94300

27869952 has 72 divisors (see below), whose sum is σ = 80942400. Its totient is φ = 8442880.

The previous prime is 27869927. The next prime is 27869971. The reversal of 27869952 is 25996872.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 6799 + ... + 10097.

It is an arithmetic number, because the mean of its divisors is an integer number (1124200).

Almost surely, 227869952 is an apocalyptic number.

27869952 is a gapful number since it is divisible by the number (22) 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 27869952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40471200).

27869952 is an abundant number, since it is smaller than the sum of its proper divisors (53072448).

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

27869952 is a wasteful number, since it uses less digits than its factorization.

27869952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329 (or 3315 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 27869952 is about 5279.1999393848. The cubic root of 27869952 is about 303.1880456529.

Subtracting from 27869952 its reverse (25996872), we obtain a triangular number (1873080 = T1935).

The spelling of 27869952 in words is "twenty-seven million, eight hundred sixty-nine thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 528 704 768 1056 1408 2112 2816 3299 4224 6598 8448 9897 13196 19794 26392 36289 39588 52784 72578 79176 105568 108867 145156 158352 211136 217734 290312 316704 422272 435468 580624 633408 844544 870936 1161248 1266816 1741872 2322496 2533632 3483744 4644992 6967488 9289984 13934976 27869952