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404270 = 2540427
BaseRepresentation
bin1100010101100101110
3202112112222
41202230232
5100414040
612355342
73302426
oct1425456
9675488
10404270
11256809
12175b52
13112019
14a7486
157ebb5
hex62b2e

404270 has 8 divisors (see below), whose sum is σ = 727704. Its totient is φ = 161704.

The previous prime is 404269. The next prime is 404273. The reversal of 404270 is 72404.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 20204 + ... + 20223.

It is an arithmetic number, because the mean of its divisors is an integer number (90963).

2404270 is an apocalyptic number.

404270 is a deficient number, since it is larger than the sum of its proper divisors (323434).

404270 is a wasteful number, since it uses less digits than its factorization.

404270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40434.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 404270 is about 635.8223022197. The cubic root of 404270 is about 73.9418827835.

Adding to 404270 its reverse (72404), we get a palindrome (476674).

The spelling of 404270 in words is "four hundred four thousand, two hundred seventy", and thus it is an iban number.

Divisors: 1 2 5 10 40427 80854 202135 404270