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8086401 = 324611949
BaseRepresentation
bin11110110110001110000001
3120012211110100
4132312032001
54032231101
6445153013
7125506341
oct36661601
916184410
108086401
114623484
12285b769
1318a186b
141106d21
15a9ae86
hex7b6381

8086401 has 12 divisors (see below), whose sum is σ = 11711700. Its totient is φ = 5376480.

The previous prime is 8086399. The next prime is 8086411. The reversal of 8086401 is 1046808.

8086401 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4626801 + 3459600 = 2151^2 + 1860^2 .

It is not a de Polignac number, because 8086401 - 21 = 8086399 is a prime.

It is a super-2 number, since 2×80864012 = 130779762265602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8086411) 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, 3175 + ... + 5123.

It is an arithmetic number, because the mean of its divisors is an integer number (975975).

Almost surely, 28086401 is an apocalyptic number.

It is an amenable number.

8086401 is a deficient number, since it is larger than the sum of its proper divisors (3625299).

8086401 is a wasteful number, since it uses less digits than its factorization.

8086401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 8086401 is about 2843.6597897780. The cubic root of 8086401 is about 200.7174317148.

The spelling of 8086401 in words is "eight million, eighty-six thousand, four hundred one".

Divisors: 1 3 9 461 1383 1949 4149 5847 17541 898489 2695467 8086401