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27004992 = 263771283
BaseRepresentation
bin110011100000…
…1000001000000
31212210222212220
41213001001000
523403124432
62402451040
7445352520
oct147010100
955728786
1027004992
1114275283
129063a80
1357969b1
14382d680
15258672c
hex19c1040

27004992 has 112 divisors (see below), whose sum is σ = 83100672. Its totient is φ = 7580160.

The previous prime is 27004951. The next prime is 27004997. The reversal of 27004992 is 29940072.

It is a tau number, because it is divible by the number of its divisors (112).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27004997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95283 + ... + 95565.

Almost surely, 227004992 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 27004992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41550336).

27004992 is an abundant number, since it is smaller than the sum of its proper divisors (56095680).

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

27004992 is a wasteful number, since it uses less digits than its factorization.

27004992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 27004992 is about 5196.6327559296. The cubic root of 27004992 is about 300.0184877495.

The spelling of 27004992 in words is "twenty-seven million, four thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 71 84 96 112 142 168 192 213 224 283 284 336 426 448 497 566 568 672 849 852 994 1132 1136 1344 1491 1698 1704 1981 1988 2264 2272 2982 3396 3408 3962 3976 4528 4544 5943 5964 6792 6816 7924 7952 9056 11886 11928 13584 13632 15848 15904 18112 20093 23772 23856 27168 31696 31808 40186 47544 47712 54336 60279 63392 80372 95088 95424 120558 126784 140651 160744 190176 241116 281302 321488 380352 421953 482232 562604 642976 843906 964464 1125208 1285952 1687812 1928928 2250416 3375624 3857856 4500832 6751248 9001664 13502496 27004992