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220440004 = 22232818527
BaseRepresentation
bin11010010001110…
…10010111000100
3120100210111211121
431020322113010
5422413040004
633512443324
75314465141
oct1510722704
9510714747
10220440004
11103483924
12619a9544
1336892a95
14213c33c8
1514545854
hexd23a5c4

220440004 has 24 divisors (see below), whose sum is σ = 404022528. Its totient is φ = 105040320.

The previous prime is 220439971. The next prime is 220440013. The reversal of 220440004 is 400044022.

It is a self number, because there is not a number n which added to its sum of digits gives 220440004.

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, 21589 + ... + 30115.

It is an arithmetic number, because the mean of its divisors is an integer number (16834272).

Almost surely, 2220440004 is an apocalyptic number.

It is an amenable number.

220440004 is a deficient number, since it is larger than the sum of its proper divisors (183582524).

220440004 is a wasteful number, since it uses less digits than its factorization.

220440004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8835 (or 8833 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 220440004 is about 14847.2220970793. Note that the first 3 decimals coincide. The cubic root of 220440004 is about 604.0832633777.

Adding to 220440004 its reverse (400044022), we get a palindrome (620484026).

The spelling of 220440004 in words is "two hundred twenty million, four hundred forty thousand, four".

Divisors: 1 2 4 23 46 92 281 562 1124 6463 8527 12926 17054 25852 34108 196121 392242 784484 2396087 4792174 9584348 55110001 110220002 220440004