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244222140 = 22357095741
BaseRepresentation
bin11101000111010…
…00100010111100
3122000112202210110
432203220202330
51000010102030
640122310020
76023565621
oct1643504274
9560482713
10244222140
11115947788
1269958310
133b79b856
1424614348
15166921b0
hexe8e88bc

244222140 has 48 divisors (see below), whose sum is σ = 684905760. Its totient is φ = 65022720.

The previous prime is 244222133. The next prime is 244222151. The reversal of 244222140 is 41222442.

244222140 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

244222140 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39670 + ... + 45410.

It is an arithmetic number, because the mean of its divisors is an integer number (14268870).

Almost surely, 2244222140 is an apocalyptic number.

244222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244222140 is an abundant number, since it is smaller than the sum of its proper divisors (440683620).

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

244222140 is a wasteful number, since it uses less digits than its factorization.

244222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6462 (or 6460 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 244222140 is about 15627.6082623030. The cubic root of 244222140 is about 625.0695517265.

Adding to 244222140 its reverse (41222442), we get a palindrome (285444582).

It can be divided in two parts, 24422 and 2140, that added together give a palindrome (26562).

The spelling of 244222140 in words is "two hundred forty-four million, two hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 709 1418 2127 2836 3545 4254 5741 7090 8508 10635 11482 14180 17223 21270 22964 28705 34446 42540 57410 68892 86115 114820 172230 344460 4070369 8140738 12211107 16281476 20351845 24422214 40703690 48844428 61055535 81407380 122111070 244222140