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830443512 = 23334601813
BaseRepresentation
bin110001011111111…
…000111111111000
32010212121220100010
4301133320333320
53200043143022
6214223141520
726402440053
oct6137707770
92125556303
10830443512
11396844558
121b21448a0
131030819c2
147c411a9a
154cd8c50c
hex317f8ff8

830443512 has 16 divisors (see below), whose sum is σ = 2076108840. Its totient is φ = 276814496.

The previous prime is 830443487. The next prime is 830443519. The reversal of 830443512 is 215344038.

It is a self number, because there is not a number n which added to its sum of digits gives 830443512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830443519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17300883 + ... + 17300930.

Almost surely, 2830443512 is an apocalyptic number.

It is an amenable number.

830443512 is an abundant number, since it is smaller than the sum of its proper divisors (1245665328).

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

830443512 is a wasteful number, since it uses less digits than its factorization.

830443512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34601822 (or 34601818 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 830443512 is about 28817.4168169182. The cubic root of 830443512 is about 939.9469986715.

The spelling of 830443512 in words is "eight hundred thirty million, four hundred forty-three thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 34601813 69203626 103805439 138407252 207610878 276814504 415221756 830443512