Search a number
-
+
404442268 = 222112272111
BaseRepresentation
bin11000000110110…
…100110010011100
31001012000210111021
4120012310302130
51312014123033
6104044333524
713010462656
oct3006646234
91035023437
10404442268
1119832a50a
12b35442a4
1365a38569
143b9dd6d6
152578eb2d
hex181b4c9c

404442268 has 24 divisors (see below), whose sum is σ = 714599424. Its totient is φ = 200281200.

The previous prime is 404442229. The next prime is 404442271. The reversal of 404442268 is 862244404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190533 + ... + 192643.

It is an arithmetic number, because the mean of its divisors is an integer number (29774976).

Almost surely, 2404442268 is an apocalyptic number.

It is an amenable number.

404442268 is a deficient number, since it is larger than the sum of its proper divisors (310157156).

404442268 is a wasteful number, since it uses less digits than its factorization.

404442268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553 (or 2551 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

The square root of 404442268 is about 20110.7500606019. The cubic root of 404442268 is about 739.5238402554.

The spelling of 404442268 in words is "four hundred four million, four hundred forty-two thousand, two hundred sixty-eight".

Divisors: 1 2 4 211 227 422 454 844 908 2111 4222 8444 47897 95794 191588 445421 479197 890842 958394 1781684 1916788 101110567 202221134 404442268