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84054157 = 1119261347
BaseRepresentation
bin1010000001010…
…01000010001101
312212011101121221
411000221002031
5133004213112
612201323341
72040306565
oct500510215
9185141557
1084054157
11434a0150
1224196551
131454c7b5
14b23dda5
1575a4e07
hex502908d

84054157 has 24 divisors (see below), whose sum is σ = 98645472. Its totient is φ = 70999200.

The previous prime is 84054133. The next prime is 84054169. The reversal of 84054157 is 75145048.

It is not a de Polignac number, because 84054157 - 211 = 84052109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84054197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242058 + ... + 242404.

It is an arithmetic number, because the mean of its divisors is an integer number (4110228).

Almost surely, 284054157 is an apocalyptic number.

It is an amenable number.

84054157 is a deficient number, since it is larger than the sum of its proper divisors (14591315).

84054157 is a wasteful number, since it uses less digits than its factorization.

84054157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 84054157 is about 9168.1054204236. The cubic root of 84054157 is about 438.0460134586.

The spelling of 84054157 in words is "eighty-four million, fifty-four thousand, one hundred fifty-seven".

Divisors: 1 11 19 61 209 347 361 671 1159 3817 3971 6593 12749 21167 22021 72523 125267 232837 242231 402173 1377937 4423903 7641287 84054157