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16290100 = 2252162901
BaseRepresentation
bin111110001001…
…000100110100
31010122121211001
4332021010310
513132240400
61341053044
7255315001
oct76110464
933577731
1016290100
119216aa2
125557184
1334b4918
1422408a8
15166ba6a
hexf89134

16290100 has 18 divisors (see below), whose sum is σ = 35349734. Its totient is φ = 6516000.

The previous prime is 16290089. The next prime is 16290119. The reversal of 16290100 is 109261.

It can be written as a sum of positive squares in 3 ways, for example, as 242064 + 16048036 = 492^2 + 4006^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81351 + ... + 81550.

Almost surely, 216290100 is an apocalyptic number.

16290100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16290100 is an abundant number, since it is smaller than the sum of its proper divisors (19059634).

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

16290100 is a wasteful number, since it uses less digits than its factorization.

16290100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162915 (or 162908 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 16290100 is about 4036.0996023389. The cubic root of 16290100 is about 253.4980269497.

Adding to 16290100 its reverse (109261), we get a palindrome (16399361).

The spelling of 16290100 in words is "sixteen million, two hundred ninety thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 162901 325802 651604 814505 1629010 3258020 4072525 8145050 16290100