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14530087 = 11131743139
BaseRepresentation
bin110111011011…
…011000100111
31000100012112101
4313123120213
512204430322
61235232531
7234334525
oct67333047
930305471
1014530087
118224740
124a48747
1330197b0
141d03315
151420327
hexddb627

14530087 has 32 divisors (see below), whose sum is σ = 18627840. Its totient is φ = 11128320.

The previous prime is 14530057. The next prime is 14530099. The reversal of 14530087 is 78003541.

It is a cyclic number.

It is not a de Polignac number, because 14530087 - 27 = 14529959 is a prime.

It is a super-2 number, since 2×145300872 = 422246856455138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14530007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104464 + ... + 104602.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

Almost surely, 214530087 is an apocalyptic number.

14530087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14530087 is a deficient number, since it is larger than the sum of its proper divisors (4097753).

14530087 is a wasteful number, since it uses less digits than its factorization.

14530087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 14530087 is about 3811.8351223525. The cubic root of 14530087 is about 244.0184916112.

The spelling of 14530087 in words is "fourteen million, five hundred thirty thousand, eighty-seven".

Divisors: 1 11 13 17 43 139 143 187 221 473 559 731 1529 1807 2363 2431 5977 6149 8041 9503 19877 25993 30719 65747 77701 101609 104533 337909 854711 1117699 1320917 14530087