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404372 = 22432351
BaseRepresentation
bin1100010101110010100
3202112200202
41202232110
5100414442
612400032
73302633
oct1425624
9675622
10404372
112568a1
12176018
13112097
14a751a
157ec32
hex62b94

404372 has 12 divisors (see below), whose sum is σ = 724416. Its totient is φ = 197400.

The previous prime is 404357. The next prime is 404381. The reversal of 404372 is 273404.

It is a happy number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 47 + 0 + 3 + 49 + 76 + 213 .

It is a congruent number.

It is an unprimeable number.

404372 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (60368).

2404372 is an apocalyptic number.

It is an amenable number.

404372 is a deficient number, since it is larger than the sum of its proper divisors (320044).

404372 is a wasteful number, since it uses less digits than its factorization.

404372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 404372 is about 635.9025082511. The cubic root of 404372 is about 73.9481009362.

Adding to 404372 its reverse (273404), we get a palindrome (677776).

The spelling of 404372 in words is "four hundred four thousand, three hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 4 43 86 172 2351 4702 9404 101093 202186 404372