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244320340 = 225111110547
BaseRepresentation
bin11101001000000…
…00100001010100
3122000201202111111
432210000201110
51000021222330
640124344404
76024455125
oct1644004124
9560652444
10244320340
11115a04540
12699a5104
133b804464
142463c04c
15166b132a
hexe900854

244320340 has 24 divisors (see below), whose sum is σ = 559716192. Its totient is φ = 88843680.

The previous prime is 244320337. The next prime is 244320343. The reversal of 244320340 is 43023442.

It is an interprime number because it is at equal distance from previous prime (244320337) and next prime (244320343).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244320343) 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, 555054 + ... + 555493.

It is an arithmetic number, because the mean of its divisors is an integer number (23321508).

Almost surely, 2244320340 is an apocalyptic number.

244320340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244320340 is an abundant number, since it is smaller than the sum of its proper divisors (315395852).

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

244320340 is a wasteful number, since it uses less digits than its factorization.

244320340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110567 (or 1110565 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 244320340 is about 15630.7498220655. The cubic root of 244320340 is about 625.1533191861.

Adding to 244320340 its reverse (43023442), we get a palindrome (287343782).

The spelling of 244320340 in words is "two hundred forty-four million, three hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1110547 2221094 4442188 5552735 11105470 12216017 22210940 24432034 48864068 61080085 122160170 244320340