Search a number
-
+
404424000042 = 23211319450237
BaseRepresentation
bin1011110001010011000…
…11001000001000101010
31102122220000002212011020
411320221203020020222
523111230021000132
6505442333513310
741135001165216
oct5705143101052
91378800085136
10404424000042
11146573894087
1266468942836
132c1a205534a
1415807967946
15a7beec352c
hex5e298c822a

404424000042 has 16 divisors (see below), whose sum is σ = 812681405472. Its totient is φ = 134169099120.

The previous prime is 404424000031. The next prime is 404424000061. The reversal of 404424000042 is 240000424404.

It is a junction number, because it is equal to n+sod(n) for n = 404423999976 and 404424000021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159723853 + ... + 159726384.

It is an arithmetic number, because the mean of its divisors is an integer number (50792587842).

Almost surely, 2404424000042 is an apocalyptic number.

404424000042 is an abundant number, since it is smaller than the sum of its proper divisors (408257405430).

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

404424000042 is a wasteful number, since it uses less digits than its factorization.

404424000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319450453.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 404424000042 its reverse (240000424404), we get a palindrome (644424424446).

The spelling of 404424000042 in words is "four hundred four billion, four hundred twenty-four million, forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 211 422 633 1266 319450237 638900474 958350711 1916701422 67404000007 134808000014 202212000021 404424000042