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16361441 = 232157197
BaseRepresentation
bin111110011010…
…011111100001
31010210020200022
4332122133201
513142031231
61342403225
7256032665
oct76323741
933706608
1016361441
119265658
125590515
13350b235
14225c8a5
151682c7b
hexf9a7e1

16361441 has 12 divisors (see below), whose sum is σ = 17300052. Its totient is φ = 15471456.

The previous prime is 16361431. The next prime is 16361473. The reversal of 16361441 is 14416361.

16361441 = 532 + 542 + ... + 3662.

It can be written as a sum of positive squares in 2 ways, for example, as 11587216 + 4774225 = 3404^2 + 2185^2 .

It is not a de Polignac number, because 16361441 - 214 = 16345057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16361441.

It is not an unprimeable number, because it can be changed into a prime (16361431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82955 + ... + 83151.

It is an arithmetic number, because the mean of its divisors is an integer number (1441671).

Almost surely, 216361441 is an apocalyptic number.

It is an amenable number.

16361441 is a deficient number, since it is larger than the sum of its proper divisors (938611).

16361441 is a wasteful number, since it uses less digits than its factorization.

16361441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 377 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 16361441 is about 4044.9278114696. The cubic root of 16361441 is about 253.8675451753.

The spelling of 16361441 in words is "sixteen million, three hundred sixty-one thousand, four hundred forty-one".

Divisors: 1 23 157 197 529 3611 4531 30929 83053 104213 711367 16361441