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84842930 = 2553160081
BaseRepresentation
bin1010000111010…
…01100110110010
312220122110121202
411003221212302
5133204433210
612230251202
72050103324
oct503514662
9186573552
1084842930
1143989827
12244b6b02
1314767823
14b3a7614
1576ad9a5
hex50e99b2

84842930 has 16 divisors (see below), whose sum is σ = 155599704. Its totient is φ = 33296640.

The previous prime is 84842921. The next prime is 84842969. The reversal of 84842930 is 3924848.

It can be written as a sum of positive squares in 4 ways, for example, as 84805681 + 37249 = 9209^2 + 193^2 .

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 7 ways as a sum of consecutive naturals, for example, 79511 + ... + 80570.

Almost surely, 284842930 is an apocalyptic number.

84842930 is a deficient number, since it is larger than the sum of its proper divisors (70756774).

84842930 is a wasteful number, since it uses less digits than its factorization.

84842930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160141.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 84842930 is about 9211.0222016886. The cubic root of 84842930 is about 439.4119727599.

The spelling of 84842930 in words is "eighty-four million, eight hundred forty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 160081 320162 800405 1600810 8484293 16968586 42421465 84842930