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326401 = 1941419
BaseRepresentation
bin1001111101100000001
3121120201221
41033230001
540421101
610555041
72526415
oct1175401
9546657
10326401
11203259
12138a81
13b574a
1486d45
1566aa1
hex4fb01

326401 has 8 divisors (see below), whose sum is σ = 352800. Its totient is φ = 300960.

The previous prime is 326369. The next prime is 326437. The reversal of 326401 is 104623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 326401 - 25 = 326369 is a prime.

It is a super-2 number, since 2×3264012 = 213075225602, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2326401 is an apocalyptic number.

326401 is the 256-th centered decagonal number.

It is an amenable number.

326401 is a deficient number, since it is larger than the sum of its proper divisors (26399).

326401 is a wasteful number, since it uses less digits than its factorization.

326401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 326401 is about 571.3151494578. The cubic root of 326401 is about 68.8520951435.

It can be divided in two parts, 326 and 401, that added together give a palindrome (727).

The spelling of 326401 in words is "three hundred twenty-six thousand, four hundred one".

Divisors: 1 19 41 419 779 7961 17179 326401