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404274 = 23137173
BaseRepresentation
bin1100010101100110010
3202112120010
41202230302
5100414044
612355350
73302433
oct1425462
9675503
10404274
11256812
12175b56
13112020
14a748a
157ebb9
hex62b32

404274 has 32 divisors (see below), whose sum is σ = 895104. Its totient is φ = 120960.

The previous prime is 404273. The next prime is 404291. The reversal of 404274 is 472404.

404274 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 404274.

It is not an unprimeable number, because it can be changed into a prime (404273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5502 + ... + 5574.

It is an arithmetic number, because the mean of its divisors is an integer number (27972).

2404274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447552).

404274 is an abundant number, since it is smaller than the sum of its proper divisors (490830).

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

404274 is a wasteful number, since it uses less digits than its factorization.

404274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 404274 is about 635.8254477449. The cubic root of 404274 is about 73.9421266523.

Adding to 404274 its reverse (472404), we get a palindrome (876678).

The spelling of 404274 in words is "four hundred four thousand, two hundred seventy-four", and thus it is an iban number.

Divisors: 1 2 3 6 13 26 39 71 73 78 142 146 213 219 426 438 923 949 1846 1898 2769 2847 5183 5538 5694 10366 15549 31098 67379 134758 202137 404274