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84054630 = 235111714983
BaseRepresentation
bin1010000001010…
…01001001100110
312212011102021110
411000221021212
5133004222010
612201325450
72040311142
oct500511146
9185142243
1084054630
11434a0540
1224196886
131454ca8a
14b240222
1575a5120
hex5029266

84054630 has 64 divisors (see below), whose sum is σ = 233031168. Its totient is φ = 19176960.

The previous prime is 84054623. The next prime is 84054643. The reversal of 84054630 is 3645048.

84054630 = T31 + T32 + ... + T795.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1882 + ... + 13101.

It is an arithmetic number, because the mean of its divisors is an integer number (3641112).

Almost surely, 284054630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84054630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116515584).

84054630 is an abundant number, since it is smaller than the sum of its proper divisors (148976538).

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

84054630 is a wasteful number, since it uses less digits than its factorization.

84054630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 84054630 is about 9168.1312163385. The cubic root of 84054630 is about 438.0468351327.

Adding to 84054630 its reverse (3645048), we get a palindrome (87699678).

The spelling of 84054630 in words is "eighty-four million, fifty-four thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 17 22 30 33 34 51 55 66 85 102 110 165 170 187 255 330 374 510 561 935 1122 1870 2805 5610 14983 29966 44949 74915 89898 149830 164813 224745 254711 329626 449490 494439 509422 764133 824065 988878 1273555 1528266 1648130 2472195 2547110 2801821 3820665 4944390 5603642 7641330 8405463 14009105 16810926 28018210 42027315 84054630