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244864000 = 210531913
BaseRepresentation
bin11101001100001…
…01010000000000
3122001202101021001
432212011100000
51000141122000
640144141344
76032211133
oct1646052000
9561671231
10244864000
11116245a47
126a007854
133b964a54
142474021a
151676c46a
hexe985400

244864000 has 88 divisors (see below), whose sum is σ = 611201448. Its totient is φ = 97894400.

The previous prime is 244863991. The next prime is 244864069. The reversal of 244864000 is 468442.

It can be written as a sum of positive squares in 4 ways, for example, as 4096 + 244859904 = 64^2 + 15648^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 244864000.

It is a congruent number.

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, 127044 + ... + 128956.

It is an arithmetic number, because the mean of its divisors is an integer number (6945471).

Almost surely, 2244864000 is an apocalyptic number.

244864000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244864000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305600724).

244864000 is an abundant number, since it is smaller than the sum of its proper divisors (366337448).

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

244864000 is an equidigital number, since it uses as much as digits as its factorization.

244864000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 244864000 is about 15648.1308787983. The cubic root of 244864000 is about 625.6166713462.

The spelling of 244864000 in words is "two hundred forty-four million, eight hundred sixty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 640 800 1000 1024 1280 1600 1913 2000 2560 3200 3826 4000 5120 6400 7652 8000 9565 12800 15304 16000 19130 25600 30608 32000 38260 47825 61216 64000 76520 95650 122432 128000 153040 191300 239125 244864 306080 382600 478250 489728 612160 765200 956500 979456 1224320 1530400 1913000 1958912 2448640 3060800 3826000 4897280 6121600 7652000 9794560 12243200 15304000 24486400 30608000 48972800 61216000 122432000 244864000