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27429024 = 2537517
BaseRepresentation
bin110100010100…
…0100010100000
31220121112112210
41220220202200
524010212044
62415522120
7452100000
oct150504240
956545483
1027429024
1114534917
129229340
1358b49bc
143900000
15261c1b9
hex1a288a0

27429024 has 144 divisors (see below), whose sum is σ = 88941888. Its totient is φ = 7375872.

The previous prime is 27429023. The next prime is 27429043. The reversal of 27429024 is 42092472.

It is a junction number, because it is equal to n+sod(n) for n = 27428982 and 27429000.

It is not an unprimeable number, because it can be changed into a prime (27429023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1613464 + ... + 1613480.

It is an arithmetic number, because the mean of its divisors is an integer number (617652).

Almost surely, 227429024 is an apocalyptic number.

27429024 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 27429024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44470944).

27429024 is an abundant number, since it is smaller than the sum of its proper divisors (61512864).

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

27429024 is an frugal number, since it uses more digits than its factorization.

27429024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 27429024 is about 5237.2725726279. The cubic root of 27429024 is about 301.5806351269.

The spelling of 27429024 in words is "twenty-seven million, four hundred twenty-nine thousand, twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 49 51 56 68 84 96 98 102 112 119 136 147 168 196 204 224 238 272 294 336 343 357 392 408 476 544 588 672 686 714 784 816 833 952 1029 1176 1372 1428 1568 1632 1666 1904 2058 2352 2401 2499 2744 2856 3332 3808 4116 4704 4802 4998 5488 5712 5831 6664 7203 8232 9604 9996 10976 11424 11662 13328 14406 16464 16807 17493 19208 19992 23324 26656 28812 32928 33614 34986 38416 39984 40817 46648 50421 57624 67228 69972 76832 79968 81634 93296 100842 115248 122451 134456 139944 163268 186592 201684 230496 244902 268912 279888 285719 326536 403368 489804 537824 559776 571438 653072 806736 857157 979608 1142876 1306144 1613472 1714314 1959216 2285752 3428628 3918432 4571504 6857256 9143008 13714512 27429024