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16485906 = 2316716453
BaseRepresentation
bin111110111000…
…111000010010
31011000120102010
4332320320102
513210022111
61345203350
7260061603
oct76707022
934016363
1016485906
119340118
125630556
133552a98
142291daa
1516a9aa6
hexfb8e12

16485906 has 16 divisors (see below), whose sum is σ = 33171264. Its totient is φ = 5462064.

The previous prime is 16485881. The next prime is 16485907. The reversal of 16485906 is 60958461.

It is not an unprimeable number, because it can be changed into a prime (16485907) 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 7 ways as a sum of consecutive naturals, for example, 7225 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (2073204).

Almost surely, 216485906 is an apocalyptic number.

16485906 is an abundant number, since it is smaller than the sum of its proper divisors (16685358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16485906 is a wasteful number, since it uses less digits than its factorization.

16485906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16625.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 16485906 is about 4060.2839802162. The cubic root of 16485906 is about 254.5096613478.

It can be divided in two parts, 16485 and 906, that added together give a triangular number (17391 = T186).

The spelling of 16485906 in words is "sixteen million, four hundred eighty-five thousand, nine hundred six".

Divisors: 1 2 3 6 167 334 501 1002 16453 32906 49359 98718 2747651 5495302 8242953 16485906