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16086401 = 532571181
BaseRepresentation
bin111101010111…
…010110000001
31010021021101122
4331113112001
513104231101
61332442025
7253506062
oct75272601
933237348
1016086401
119097a51
125479315
133442ca6
1421ca569
15162b51b
hexf57581

16086401 has 8 divisors (see below), whose sum is σ = 16467624. Its totient is φ = 15708160.

The previous prime is 16086397. The next prime is 16086419. The reversal of 16086401 is 10468061.

It can be written as a sum of positive squares in 4 ways, for example, as 12567025 + 3519376 = 3545^2 + 1876^2 .

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 16086401 - 22 = 16086397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16086461) 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 7 ways as a sum of consecutive naturals, for example, 13031 + ... + 14211.

It is an arithmetic number, because the mean of its divisors is an integer number (2058453).

Almost surely, 216086401 is an apocalyptic number.

It is an amenable number.

16086401 is a deficient number, since it is larger than the sum of its proper divisors (381223).

16086401 is a wasteful number, since it uses less digits than its factorization.

16086401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 16086401 is about 4010.7855838975. The cubic root of 16086401 is about 252.4369727995.

The spelling of 16086401 in words is "sixteen million, eighty-six thousand, four hundred one".

Divisors: 1 53 257 1181 13621 62593 303517 16086401