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842531055 = 35232984211
BaseRepresentation
bin110010001110000…
…000000011101111
32011201101000022220
4302032000003233
53211141443210
6215334210423
726610252522
oct6216000357
92151330286
10842531055
113a2650063
121b61b3a13
131057247b2
147dc7abb9
154de78c70
hex323800ef

842531055 has 32 divisors (see below), whose sum is σ = 1455183360. Its totient is φ = 414986880.

The previous prime is 842531047. The next prime is 842531057. The reversal of 842531055 is 550135248.

It is not a de Polignac number, because 842531055 - 23 = 842531047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842531057) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 32101 + ... + 52110.

It is an arithmetic number, because the mean of its divisors is an integer number (45474480).

Almost surely, 2842531055 is an apocalyptic number.

842531055 is a deficient number, since it is larger than the sum of its proper divisors (612652305).

842531055 is a wasteful number, since it uses less digits than its factorization.

842531055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84271.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 842531055 is about 29026.3854966477. The cubic root of 842531055 is about 944.4855238290.

The spelling of 842531055 in words is "eight hundred forty-two million, five hundred thirty-one thousand, fifty-five".

Divisors: 1 3 5 15 23 29 69 87 115 145 345 435 667 2001 3335 10005 84211 252633 421055 1263165 1936853 2442119 5810559 7326357 9684265 12210595 29052795 36631785 56168737 168506211 280843685 842531055