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944231340 = 2235131771209
BaseRepresentation
bin111000010001111…
…101001110101100
32102210201220220010
4320101331032230
53413210400330
6233410053220
732253556023
oct7021751654
92383656803
10944231340
11444aa2a88
1222427a210
13120812190
148d5918ba
1557d673b0
hex3847d3ac

944231340 has 96 divisors (see below), whose sum is σ = 3014746560. Its totient is φ = 218750976.

The previous prime is 944231333. The next prime is 944231341. The reversal of 944231340 is 43132449.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 944231298 and 944231307.

It is not an unprimeable number, because it can be changed into a prime (944231341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22345 + ... + 48864.

It is an arithmetic number, because the mean of its divisors is an integer number (31403610).

Almost surely, 2944231340 is an apocalyptic number.

It is an amenable number.

944231340 is an abundant number, since it is smaller than the sum of its proper divisors (2070515220).

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

944231340 is a wasteful number, since it uses less digits than its factorization.

944231340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71251 (or 71249 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 944231340 is about 30728.3474986860. The cubic root of 944231340 is about 981.0537533892.

Adding to 944231340 its reverse (43132449), we get a palindrome (987363789).

The spelling of 944231340 in words is "nine hundred forty-four million, two hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 17 20 26 30 34 39 51 52 60 65 68 78 85 102 130 156 170 195 204 221 255 260 340 390 442 510 663 780 884 1020 1105 1326 2210 2652 3315 4420 6630 13260 71209 142418 213627 284836 356045 427254 712090 854508 925717 1068135 1210553 1424180 1851434 2136270 2421106 2777151 3631659 3702868 4272540 4628585 4842212 5554302 6052765 7263318 9257170 11108604 12105530 13885755 14526636 15737189 18158295 18514340 24211060 27771510 31474378 36316590 47211567 55543020 62948756 72633180 78685945 94423134 157371890 188846268 236057835 314743780 472115670 944231340