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1344688900 = 22521921932
BaseRepresentation
bin101000000100110…
…0101001100000100
310110201021021101121
41100021211030010
510223220021100
6341233203324
745215444542
oct12011451404
93421237347
101344688900
11630050745
12316400544
13185783b09
14ca834d92
157d0bb51a
hex50265304

1344688900 has 81 divisors (see below), whose sum is σ = 3095674911. Its totient is φ = 506926080.

The previous prime is 1344688897. The next prime is 1344688909. The reversal of 1344688900 is 98864431.

The square root of 1344688900 is 36670.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 216266436 + 1128422464 = 14706^2 + 33592^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344688909) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6967204 + ... + 6967396.

Almost surely, 21344688900 is an apocalyptic number.

1344688900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1344688900 is the 36670-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344688900

1344688900 is an abundant number, since it is smaller than the sum of its proper divisors (1750986011).

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

1344688900 is a wasteful number, since it uses less digits than its factorization.

1344688900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The cubic root of 1344688900 is about 1103.7581922013.

The spelling of 1344688900 in words is "one billion, three hundred forty-four million, six hundred eighty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 193 361 380 386 475 722 772 950 965 1444 1805 1900 1930 3610 3667 3860 4825 7220 7334 9025 9650 14668 18050 18335 19300 36100 36670 37249 69673 73340 74498 91675 139346 148996 183350 186245 278692 348365 366700 372490 696730 707731 744980 931225 1393460 1415462 1741825 1862450 2830924 3483650 3538655 3724900 6967300 7077310 13446889 14154620 17693275 26893778 35386550 53787556 67234445 70773100 134468890 268937780 336172225 672344450 1344688900