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16530814 = 28265407
BaseRepresentation
bin111111000011…
…110101111110
31011002212000101
4333003311332
513212441224
61350151314
7260336536
oct77036576
934085011
1016530814
119370933
12565253a
13356a361
1422a44c6
1516b8044
hexfc3d7e

16530814 has 4 divisors (see below), whose sum is σ = 24796224. Its totient is φ = 8265406.

The previous prime is 16530803. The next prime is 16530827. The reversal of 16530814 is 41803561.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4132702 + ... + 4132705.

It is an arithmetic number, because the mean of its divisors is an integer number (6199056).

Almost surely, 216530814 is an apocalyptic number.

16530814 is a deficient number, since it is larger than the sum of its proper divisors (8265410).

16530814 is an equidigital number, since it uses as much as digits as its factorization.

16530814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265409.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 16530814 is about 4065.8103743288. The cubic root of 16530814 is about 254.7405486171.

The spelling of 16530814 in words is "sixteen million, five hundred thirty thousand, eight hundred fourteen".

Divisors: 1 2 8265407 16530814