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99984430 = 25713109873
BaseRepresentation
bin1011111010110…
…10010000101110
320222010201212001
411331122100232
5201044000210
613531002514
72322565540
oct575322056
9228121761
1099984430
1151490867
122959943a
13179396b0
14d3c9690
158ba003a
hex5f5a42e

99984430 has 32 divisors (see below), whose sum is σ = 221505984. Its totient is φ = 31643136.

The previous prime is 99984421. The next prime is 99984439. The reversal of 99984430 is 3448999.

It is an interprime number because it is at equal distance from previous prime (99984421) and next prime (99984439).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99984439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54027 + ... + 55846.

It is an arithmetic number, because the mean of its divisors is an integer number (6922062).

Almost surely, 299984430 is an apocalyptic number.

99984430 is an abundant number, since it is smaller than the sum of its proper divisors (121521554).

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

99984430 is a wasteful number, since it uses less digits than its factorization.

99984430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109900.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 99984430 is about 9999.2214696945. The cubic root of 99984430 is about 464.1347922649.

The spelling of 99984430 in words is "ninety-nine million, nine hundred eighty-four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 109873 219746 549365 769111 1098730 1428349 1538222 2856698 3845555 7141745 7691110 9998443 14283490 19996886 49992215 99984430