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1307200 = 26521943
BaseRepresentation
bin100111111001001000000
32110102010211
410333021000
5313312300
644003504
714053036
oct4771100
92412124
101307200
11813134
12530594
13369cbb
14260556
151ac4ba
hex13f240

1307200 has 84 divisors (see below), whose sum is σ = 3464560. Its totient is φ = 483840.

The previous prime is 1307197. The next prime is 1307209. The reversal of 1307200 is 27031.

It is not an unprimeable number, because it can be changed into a prime (1307209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30379 + ... + 30421.

21307200 is an apocalyptic number.

1307200 is a gapful number since it is divisible by the number (10) 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 1307200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732280).

1307200 is an abundant number, since it is smaller than the sum of its proper divisors (2157360).

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

1307200 is a wasteful number, since it uses less digits than its factorization.

1307200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 1307200 is about 1143.3284742365. The cubic root of 1307200 is about 109.3404053856.

The spelling of 1307200 in words is "one million, three hundred seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 43 50 64 76 80 86 95 100 152 160 172 190 200 215 304 320 344 380 400 430 475 608 688 760 800 817 860 950 1075 1216 1376 1520 1600 1634 1720 1900 2150 2752 3040 3268 3440 3800 4085 4300 6080 6536 6880 7600 8170 8600 13072 13760 15200 16340 17200 20425 26144 30400 32680 34400 40850 52288 65360 68800 81700 130720 163400 261440 326800 653600 1307200