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13141947 = 372132232
BaseRepresentation
bin110010001000…
…011110111011
3220201200100210
4302020132323
511331020242
61145402203
7216463500
oct62103673
926650323
1013141947
117466815
124499363
132951a00
141a614a7
151248d9c
hexc887bb

13141947 has 54 divisors (see below), whose sum is σ = 23073372. Its totient is φ = 6630624.

The previous prime is 13141943. The next prime is 13141951. The reversal of 13141947 is 74914131.

It is an interprime number because it is at equal distance from previous prime (13141943) and next prime (13141951).

It is not a de Polignac number, because 13141947 - 22 = 13141943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13141943) 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 53 ways as a sum of consecutive naturals, for example, 571378 + ... + 571400.

Almost surely, 213141947 is an apocalyptic number.

13141947 is a deficient number, since it is larger than the sum of its proper divisors (9931425).

13141947 is a wasteful number, since it uses less digits than its factorization.

13141947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 46 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 13141947 is about 3625.1823402417. The cubic root of 13141947 is about 235.9861801253.

The spelling of 13141947 in words is "thirteen million, one hundred forty-one thousand, nine hundred forty-seven".

Divisors: 1 3 7 13 21 23 39 49 69 91 147 161 169 273 299 483 507 529 637 897 1127 1183 1587 1911 2093 3381 3549 3703 3887 6279 6877 8281 11109 11661 14651 20631 24843 25921 27209 43953 48139 77763 81627 89401 144417 190463 268203 336973 571389 625807 1010919 1877421 4380649 13141947