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830291644 = 227134353047
BaseRepresentation
bin110001011111010…
…011111010111100
32010212100012000101
4301133103322330
53200023313034
6214220010444
726401235230
oct6137237274
92125305011
10830291644
11396750446
121b2090a24
1310302a840
147c3b25c0
154cd5c514
hex317d3ebc

830291644 has 48 divisors (see below), whose sum is σ = 1829943808. Its totient is φ = 320822208.

The previous prime is 830291641. The next prime is 830291669. The reversal of 830291644 is 446192038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830291641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10872 + ... + 42175.

Almost surely, 2830291644 is an apocalyptic number.

It is an amenable number.

830291644 is an abundant number, since it is smaller than the sum of its proper divisors (999652164).

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

830291644 is a wasteful number, since it uses less digits than its factorization.

830291644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53114 (or 53112 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 830291644 is about 28814.7816927354. The cubic root of 830291644 is about 939.8896973334.

The spelling of 830291644 in words is "eight hundred thirty million, two hundred ninety-one thousand, six hundred forty-four".

Divisors: 1 2 4 7 13 14 26 28 43 52 86 91 172 182 301 364 559 602 1118 1204 2236 3913 7826 15652 53047 106094 212188 371329 689611 742658 1379222 1485316 2281021 2758444 4562042 4827277 9124084 9654554 15967147 19309108 29653273 31934294 59306546 63868588 118613092 207572911 415145822 830291644