Search a number
-
+
4420988 = 22111359131
BaseRepresentation
bin10000110111010101111100
322022121110022
4100313111330
52112432423
6234431312
752402115
oct20672574
98277408
104420988
11254a610
121592538
13bba390
1483120c
155c4dc8
hex43757c

4420988 has 48 divisors (see below), whose sum is σ = 9313920. Its totient is φ = 1809600.

The previous prime is 4420987. The next prime is 4420993. The reversal of 4420988 is 8890244.

It is a super-2 number, since 2×44209882 = 39090269792288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33683 + ... + 33813.

It is an arithmetic number, because the mean of its divisors is an integer number (194040).

Almost surely, 24420988 is an apocalyptic number.

It is an amenable number.

4420988 is an abundant number, since it is smaller than the sum of its proper divisors (4892932).

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

4420988 is a wasteful number, since it uses less digits than its factorization.

4420988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 4420988 is about 2102.6145628717. The cubic root of 4420988 is about 164.1243851133.

The spelling of 4420988 in words is "four million, four hundred twenty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 59 118 131 143 236 262 286 524 572 649 767 1298 1441 1534 1703 2596 2882 3068 3406 5764 6812 7729 8437 15458 16874 18733 30916 33748 37466 74932 85019 100477 170038 200954 340076 401908 1105247 2210494 4420988