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312835068 = 2233713139229
BaseRepresentation
bin10010101001010…
…111101111111100
3210210122200001000
4102221113233330
51120041210233
651013050300
710516024410
oct2251275774
9723580030
10312835068
11150650687
1288926990
134ca72c10
142d794d40
151c6e6d13
hex12a57bfc

312835068 has 192 divisors, whose sum is σ = 1009792000. Its totient is φ = 81554688.

The previous prime is 312835031. The next prime is 312835069. The reversal of 312835068 is 860538213.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312835069) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1365978 + ... + 1366206.

Almost surely, 2312835068 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 312835068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504896000).

312835068 is an abundant number, since it is smaller than the sum of its proper divisors (696956932).

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

312835068 is a wasteful number, since it uses less digits than its factorization.

312835068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 312835068 is about 17687.1441448302. The cubic root of 312835068 is about 678.8468547113.

The spelling of 312835068 in words is "three hundred twelve million, eight hundred thirty-five thousand, sixty-eight".