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14256081 = 35717229
BaseRepresentation
bin110110011000…
…011111010001
3222211021200000
4312120133101
512122143311
61225320213
7232113630
oct66303721
928737600
1014256081
118057894
124936069
132c51b68
141c71517
1513b9056
hexd987d1

14256081 has 72 divisors (see below), whose sum is σ = 26819520. Its totient is φ = 7402752.

The previous prime is 14256043. The next prime is 14256089. The reversal of 14256081 is 18065241.

It is not a de Polignac number, because 14256081 - 26 = 14256017 is a prime.

It is a super-2 number, since 2×142560812 = 406471690957122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14256089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 491575 + ... + 491603.

It is a vampire number, since it can be written as 26015481 (with its own digits).

Almost surely, 214256081 is an apocalyptic number.

It is an amenable number.

14256081 is a deficient number, since it is larger than the sum of its proper divisors (12563439).

14256081 is an equidigital number, since it uses as much as digits as its factorization.

14256081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 14256081 is about 3775.7225798514. The cubic root of 14256081 is about 242.4748604683.

The spelling of 14256081 in words is "fourteen million, two hundred fifty-six thousand, eighty-one".

Divisors: 1 3 7 9 17 21 27 29 51 63 81 87 119 153 189 203 243 261 289 357 459 493 567 609 783 867 1071 1377 1479 1701 1827 2023 2349 2601 3213 3451 4131 4437 5481 6069 7047 7803 8381 9639 10353 13311 16443 18207 23409 25143 28917 31059 39933 49329 54621 58667 70227 75429 93177 119799 163863 176001 226287 279531 491589 528003 678861 838593 1584009 2036583 4752027 14256081