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16136290 = 255572897
BaseRepresentation
bin111101100011…
…100001100010
31010100210211101
4331203201202
513112330130
61333505014
7254104402
oct75434142
933323741
1016136290
119121485
1254a216a
13345c901
142200802
15163b1ca
hexf63862

16136290 has 16 divisors (see below), whose sum is σ = 29107512. Its totient is φ = 6440704.

The previous prime is 16136261. The next prime is 16136297. The reversal of 16136290 is 9263161.

16136290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 40172+1.

It can be written as a sum of positive squares in 4 ways, for example, as 5812921 + 10323369 = 2411^2 + 3213^2 .

It is not an unprimeable number, because it can be changed into a prime (16136297) 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, 4122 + ... + 7018.

Almost surely, 216136290 is an apocalyptic number.

16136290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16136290 is a deficient number, since it is larger than the sum of its proper divisors (12971222).

16136290 is a wasteful number, since it uses less digits than its factorization.

16136290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 16136290 is about 4017.0001244710. Note that the first 3 decimals coincide. The cubic root of 16136290 is about 252.6976656952.

The spelling of 16136290 in words is "sixteen million, one hundred thirty-six thousand, two hundred ninety".

Divisors: 1 2 5 10 557 1114 2785 2897 5570 5794 14485 28970 1613629 3227258 8068145 16136290