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830783404 = 2211175412053
BaseRepresentation
bin110001100001001…
…011111110101100
32010220021011120201
4301201023332230
53200140032104
6214234323244
726405354023
oct6141137654
92126234521
10830783404
11396a56960
121b2289524
13103170619
147c49d8ba
154ce080a4
hex3184bfac

830783404 has 48 divisors (see below), whose sum is σ = 1683261216. Its totient is φ = 354585600.

The previous prime is 830783381. The next prime is 830783413. The reversal of 830783404 is 404387038.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403642 + ... + 405694.

It is an arithmetic number, because the mean of its divisors is an integer number (35067942).

Almost surely, 2830783404 is an apocalyptic number.

It is an amenable number.

830783404 is an abundant number, since it is smaller than the sum of its proper divisors (852477812).

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

830783404 is a wasteful number, since it uses less digits than its factorization.

830783404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 2624 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 830783404 is about 28823.3135499720. The cubic root of 830783404 is about 940.0752180642.

The spelling of 830783404 in words is "eight hundred thirty million, seven hundred eighty-three thousand, four hundred four".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 541 748 1082 2053 2164 4106 5951 8212 9197 11902 18394 22583 23804 34901 36788 45166 69802 90332 101167 139604 202334 383911 404668 767822 1110673 1535644 2221346 4442692 12217403 18881441 24434806 37762882 48869612 75525764 207695851 415391702 830783404