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16910053 = 17994709
BaseRepresentation
bin100000010000…
…0011011100101
31011211010020021
41000200123211
513312110203
61402235141
7263506306
oct100403345
934733207
1016910053
1195aa856
1257b5ab1
133670b64
1423627ad
1517405bd
hex10206e5

16910053 has 4 divisors (see below), whose sum is σ = 17904780. Its totient is φ = 15915328.

The previous prime is 16910041. The next prime is 16910059. The reversal of 16910053 is 35001961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35001961 = 181193381.

It can be written as a sum of positive squares in 2 ways, for example, as 7656289 + 9253764 = 2767^2 + 3042^2 .

It is a cyclic number.

It is not a de Polignac number, because 16910053 - 217 = 16778981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16910059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497338 + ... + 497371.

It is an arithmetic number, because the mean of its divisors is an integer number (4476195).

Almost surely, 216910053 is an apocalyptic number.

It is an amenable number.

16910053 is a deficient number, since it is larger than the sum of its proper divisors (994727).

16910053 is an equidigital number, since it uses as much as digits as its factorization.

16910053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994726.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 16910053 is about 4112.1834832604. The cubic root of 16910053 is about 256.6738685410.

The spelling of 16910053 in words is "sixteen million, nine hundred ten thousand, fifty-three".

Divisors: 1 17 994709 16910053