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16242337 = 26216197
BaseRepresentation
bin111101111101…
…011010100001
31010120012022001
4331331122201
513124223322
61340044001
7255025516
oct75753241
933505261
1016242337
119194121
125533601
133498c67
14222b30d
15165c827
hexf7d6a1

16242337 has 4 divisors (see below), whose sum is σ = 16251156. Its totient is φ = 16233520.

The previous prime is 16242329. The next prime is 16242367. The reversal of 16242337 is 73324261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10086976 + 6155361 = 3176^2 + 2481^2 .

It is a cyclic number.

It is not a de Polignac number, because 16242337 - 23 = 16242329 is a prime.

It is a super-2 number, since 2×162423372 = 527627022443138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16242367) 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, 478 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (4062789).

Almost surely, 216242337 is an apocalyptic number.

It is an amenable number.

16242337 is a deficient number, since it is larger than the sum of its proper divisors (8819).

16242337 is an equidigital number, since it uses as much as digits as its factorization.

16242337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8818.

The product of its digits is 6048, while the sum is 28.

The square root of 16242337 is about 4030.1782838976. The cubic root of 16242337 is about 253.2500301282.

Adding to 16242337 its reverse (73324261), we get a palindrome (89566598).

The spelling of 16242337 in words is "sixteen million, two hundred forty-two thousand, three hundred thirty-seven".

Divisors: 1 2621 6197 16242337