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16290037 = 79206203
BaseRepresentation
bin111110001001…
…000011110101
31010122121201201
4332021003311
513132240122
61341052501
7255314551
oct76110365
933577651
1016290037
119216a45
125557131
1334b489a
142240861
15166ba27
hexf890f5

16290037 has 4 divisors (see below), whose sum is σ = 16496320. Its totient is φ = 16083756.

The previous prime is 16290019. The next prime is 16290041. The reversal of 16290037 is 73009261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73009261 = 135616097.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16290037 is a prime.

It is a super-2 number, since 2×162900372 = 530730610922738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16289987 and 16290014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290007) 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 3 ways as a sum of consecutive naturals, for example, 103023 + ... + 103180.

It is an arithmetic number, because the mean of its divisors is an integer number (4124080).

Almost surely, 216290037 is an apocalyptic number.

It is an amenable number.

16290037 is a deficient number, since it is larger than the sum of its proper divisors (206283).

16290037 is an equidigital number, since it uses as much as digits as its factorization.

16290037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206282.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 16290037 is about 4036.0917977667. The cubic root of 16290037 is about 253.4977001582.

Adding to 16290037 its reverse (73009261), we get a palindrome (89299298).

The spelling of 16290037 in words is "sixteen million, two hundred ninety thousand, thirty-seven".

Divisors: 1 79 206203 16290037