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401941 = 1133557
BaseRepresentation
bin1100010001000010101
3202102100201
41202020111
5100330231
612340501
73262561
oct1421025
9672321
10401941
11254a91
12174731
13110c47
14a66a1
157e161
hex62215

401941 has 4 divisors (see below), whose sum is σ = 405612. Its totient is φ = 398272.

The previous prime is 401939. The next prime is 401953. The reversal of 401941 is 149104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23716 + 378225 = 154^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 401941 - 21 = 401939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666 + ... + 1891.

It is an arithmetic number, because the mean of its divisors is an integer number (101403).

2401941 is an apocalyptic number.

It is an amenable number.

401941 is a deficient number, since it is larger than the sum of its proper divisors (3671).

401941 is a wasteful number, since it uses less digits than its factorization.

401941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 401941 is about 633.9881702366. The cubic root of 401941 is about 73.7996161387.

The spelling of 401941 in words is "four hundred one thousand, nine hundred forty-one".

Divisors: 1 113 3557 401941