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244220406 = 23331122971
BaseRepresentation
bin11101000111010…
…00000111110110
3122000112200102020
432203220013312
51000010023111
640122254010
76023560563
oct1643500766
9560480366
10244220406
11115946451
1269957306
133b79ab21
142461386a
1516691906
hexe8e81f6

244220406 has 16 divisors (see below), whose sum is σ = 489920448. Its totient is φ = 81160200.

The previous prime is 244220401. The next prime is 244220423. The reversal of 244220406 is 604022442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244220401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59500 + ... + 63471.

It is an arithmetic number, because the mean of its divisors is an integer number (30620028).

Almost surely, 2244220406 is an apocalyptic number.

244220406 is an abundant number, since it is smaller than the sum of its proper divisors (245700042).

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

244220406 is a wasteful number, since it uses less digits than its factorization.

244220406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123307.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 244220406 is about 15627.5527834655. The cubic root of 244220406 is about 625.0680723722.

Adding to 244220406 its reverse (604022442), we get a palindrome (848242848).

The spelling of 244220406 in words is "two hundred forty-four million, two hundred twenty thousand, four hundred six".

Divisors: 1 2 3 6 331 662 993 1986 122971 245942 368913 737826 40703401 81406802 122110203 244220406