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401324 = 227111303
BaseRepresentation
bin1100001111110101100
3202101111212
41201332230
5100320244
612333552
73261020
oct1417654
9671455
10401324
11254580
121742b8
13110891
14a6380
157dd9e
hex61fac

401324 has 24 divisors (see below), whose sum is σ = 876288. Its totient is φ = 156240.

The previous prime is 401321. The next prime is 401329. The reversal of 401324 is 423104.

It is a super-2 number, since 2×4013242 = 322121905952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 401299 and 401308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 959.

It is an arithmetic number, because the mean of its divisors is an integer number (36512).

2401324 is an apocalyptic number.

401324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401324 is an abundant number, since it is smaller than the sum of its proper divisors (474964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401324 is a wasteful number, since it uses less digits than its factorization.

401324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 401324 is about 633.5013812140. The cubic root of 401324 is about 73.7618347377.

Adding to 401324 its reverse (423104), we get a palindrome (824428).

The spelling of 401324 in words is "four hundred one thousand, three hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 1303 2606 5212 9121 14333 18242 28666 36484 57332 100331 200662 401324