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830558100 = 223526074561
BaseRepresentation
bin110001100000010…
…100111110010100
32010212211201112010
4301200110332110
53200110324400
6214225424220
726403425121
oct6140247624
92125751463
10830558100
11396912659
121b219b070
131030c1bc8
147c441748
154cdb1450
hex31814f94

830558100 has 72 divisors (see below), whose sum is σ = 2407568128. Its totient is φ = 221068800.

The previous prime is 830558093. The next prime is 830558111. The reversal of 830558100 is 1855038.

It is a happy number.

It is a super-2 number, since 2×8305581002 = 1379653514951220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179820 + ... + 184380.

Almost surely, 2830558100 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 830558100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203784064).

830558100 is an abundant number, since it is smaller than the sum of its proper divisors (1577010028).

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

830558100 is a wasteful number, since it uses less digits than its factorization.

830558100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185 (or 5178 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 830558100 is about 28819.4049209903. The cubic root of 830558100 is about 939.9902292632.

The spelling of 830558100 in words is "eight hundred thirty million, five hundred fifty-eight thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 607 1214 1821 2428 3035 3642 4561 6070 7284 9105 9122 12140 13683 15175 18210 18244 22805 27366 30350 36420 45525 45610 54732 60700 68415 91050 91220 114025 136830 182100 228050 273660 342075 456100 684150 1368300 2768527 5537054 8305581 11074108 13842635 16611162 27685270 33222324 41527905 55370540 69213175 83055810 138426350 166111620 207639525 276852700 415279050 830558100