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2050197400 = 235231210667
BaseRepresentation
bin111101000110011…
…1000011110011000
312021212210211010001
41322030320132120
513144322304100
6535234502344
7101543250616
oct17214703630
95255724101
102050197400
11962312719
124927349b4
132689a1574
141564046b6
15beecad6a
hex7a338798

2050197400 has 72 divisors (see below), whose sum is σ = 4925895660. Its totient is φ = 793550400.

The previous prime is 2050197397. The next prime is 2050197407. The reversal of 2050197400 is 47910502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050197407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 186867 + ... + 197533.

Almost surely, 22050197400 is an apocalyptic number.

2050197400 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 2050197400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2462947830).

2050197400 is an abundant number, since it is smaller than the sum of its proper divisors (2875698260).

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

2050197400 is a wasteful number, since it uses less digits than its factorization.

2050197400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10745 (or 10705 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2050197400 is about 45279.1055565368. The cubic root of 2050197400 is about 1270.3748660898.

The spelling of 2050197400 in words is "two billion, fifty million, one hundred ninety-seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 100 124 155 200 248 310 620 775 961 1240 1550 1922 3100 3844 4805 6200 7688 9610 10667 19220 21334 24025 38440 42668 48050 53335 85336 96100 106670 192200 213340 266675 330677 426680 533350 661354 1066700 1322708 1653385 2133400 2645416 3306770 6613540 8266925 10250987 13227080 16533850 20501974 33067700 41003948 51254935 66135400 82007896 102509870 205019740 256274675 410039480 512549350 1025098700 2050197400