Search a number
-
+
401244 = 223291153
BaseRepresentation
bin1100001111101011100
3202101101220
41201331130
5100314434
612333340
73260544
oct1417534
9671356
10401244
11254508
12174250
1311082c
14a6324
157dd49
hex61f5c

401244 has 24 divisors (see below), whose sum is σ = 969360. Its totient is φ = 129024.

The previous prime is 401243. The next prime is 401279. The reversal of 401244 is 442104.

401244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401243) 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, 229 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (40390).

2401244 is an apocalyptic number.

It is an amenable number.

401244 is an abundant number, since it is smaller than the sum of its proper divisors (568116).

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

401244 is a wasteful number, since it uses less digits than its factorization.

401244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 401244 is about 633.4382369261. The cubic root of 401244 is about 73.7569331795.

Adding to 401244 its reverse (442104), we get a palindrome (843348).

The spelling of 401244 in words is "four hundred one thousand, two hundred forty-four", and thus it is an iban number.

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 1153 2306 3459 4612 6918 13836 33437 66874 100311 133748 200622 401244