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312030200 = 23528318797
BaseRepresentation
bin10010100110010…
…011001111111000
3210202010202222002
4102212103033320
51114334431300
650543520132
710506133016
oct2246231770
9722122862
10312030200
111501509a9
12885b9048
134c850771
142d6258b6
151c5d85d5
hex129933f8

312030200 has 48 divisors (see below), whose sum is σ = 734249880. Its totient is φ = 123301760.

The previous prime is 312030197. The next prime is 312030203. The reversal of 312030200 is 2030213.

It is an interprime number because it is at equal distance from previous prime (312030197) and next prime (312030203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312030203) 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, 7202 + ... + 25998.

Almost surely, 2312030200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367124940).

312030200 is an abundant number, since it is smaller than the sum of its proper divisors (422219680).

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

312030200 is a wasteful number, since it uses less digits than its factorization.

312030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18896 (or 18887 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 312030200 is about 17664.3765811307. The cubic root of 312030200 is about 678.2641713553.

Adding to 312030200 its reverse (2030213), we get a palindrome (314060413).

The spelling of 312030200 in words is "three hundred twelve million, thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 83 100 166 200 332 415 664 830 1660 2075 3320 4150 8300 16600 18797 37594 75188 93985 150376 187970 375940 469925 751880 939850 1560151 1879700 3120302 3759400 6240604 7800755 12481208 15601510 31203020 39003775 62406040 78007550 156015100 312030200