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830855542 = 2112313911813
BaseRepresentation
bin110001100001011…
…101100101110110
32010220101211112111
4301201131211312
53200144334132
6214240041234
726406104236
oct6141354566
92126354474
10830855542
11396aa6080
121b230321a
131031973ca
147c4bbcc6
154ce1e647
hex3185d976

830855542 has 32 divisors (see below), whose sum is σ = 1429021440. Its totient is φ = 358612320.

The previous prime is 830855527. The next prime is 830855551. The reversal of 830855542 is 245558038.

It is a super-2 number, since 2×8308555422 = 1380641863344227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 830855495 and 830855504.

It is a congruent number.

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, 64428 + ... + 76240.

It is an arithmetic number, because the mean of its divisors is an integer number (44656920).

Almost surely, 2830855542 is an apocalyptic number.

830855542 is a deficient number, since it is larger than the sum of its proper divisors (598165898).

830855542 is a wasteful number, since it uses less digits than its factorization.

830855542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988.

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 830855542 is about 28824.5649056495. The cubic root of 830855542 is about 940.1024265934.

The spelling of 830855542 in words is "eight hundred thirty million, eight hundred fifty-five thousand, five hundred forty-two".

Divisors: 1 2 11 22 23 46 139 253 278 506 1529 3058 3197 6394 11813 23626 35167 70334 129943 259886 271699 543398 1642007 2988689 3284014 5977378 18062077 36124154 37766161 75532322 415427771 830855542