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14531530 = 2513111781
BaseRepresentation
bin110111011011…
…101111001010
31000100021111211
4313123233022
512210002110
61235243334
7234341656
oct67335712
930307454
1014531530
118225832
124a4954a
13301a350
141d03a66
15142098a
hexddbbca

14531530 has 16 divisors (see below), whose sum is σ = 28169064. Its totient is φ = 5365440.

The previous prime is 14531521. The next prime is 14531533. The reversal of 14531530 is 3513541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13169641 + 1361889 = 3629^2 + 1167^2 .

It is a super-2 number, since 2×145315302 = 422330728281800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14531533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55761 + ... + 56020.

Almost surely, 214531530 is an apocalyptic number.

14531530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14531530 is a deficient number, since it is larger than the sum of its proper divisors (13637534).

14531530 is a wasteful number, since it uses less digits than its factorization.

14531530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111801.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 14531530 is about 3812.0243965641. The cubic root of 14531530 is about 244.0265692648.

The spelling of 14531530 in words is "fourteen million, five hundred thirty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 111781 223562 558905 1117810 1453153 2906306 7265765 14531530