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16490537 = 719123989
BaseRepresentation
bin111110111010…
…000000101001
31011000210202122
4332322000221
513210144122
61345241025
7260111240
oct76720051
934023678
1016490537
119343648
125633175
133554c1b
142293957
1516ab142
hexfba029

16490537 has 8 divisors (see below), whose sum is σ = 19838400. Its totient is φ = 13390704.

The previous prime is 16490497. The next prime is 16490549. The reversal of 16490537 is 73509461.

16490537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16490537 - 28 = 16490281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16490497 and 16490506.

It is not an unprimeable number, because it can be changed into a prime (16490587) 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, 61862 + ... + 62127.

It is an arithmetic number, because the mean of its divisors is an integer number (2479800).

Almost surely, 216490537 is an apocalyptic number.

It is an amenable number.

16490537 is a deficient number, since it is larger than the sum of its proper divisors (3347863).

16490537 is a wasteful number, since it uses less digits than its factorization.

16490537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124015.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 16490537 is about 4060.8542204812. The cubic root of 16490537 is about 254.5334902656.

Adding to 16490537 its reverse (73509461), we get a palindrome (89999998).

The spelling of 16490537 in words is "sixteen million, four hundred ninety thousand, five hundred thirty-seven".

Divisors: 1 7 19 133 123989 867923 2355791 16490537