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99744873 = 3101329191
BaseRepresentation
bin1011111000111…
…11110001101001
320221200120020120
411330133301221
5201013313443
613521513453
72320550244
oct574376151
9227616216
1099744873
1151337888
12294a2889
1317884647
14d36625b
158b54083
hex5f1fc69

99744873 has 8 divisors (see below), whose sum is σ = 134310336. Its totient is φ = 65838000.

The previous prime is 99744863. The next prime is 99744893. The reversal of 99744873 is 37844799.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99744873 - 216 = 99679337 is a prime.

It is a super-2 number, since 2×997448732 = 19898079379572258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99744823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164293 + ... + 164898.

It is an arithmetic number, because the mean of its divisors is an integer number (16788792).

Almost surely, 299744873 is an apocalyptic number.

It is an amenable number.

99744873 is a deficient number, since it is larger than the sum of its proper divisors (34565463).

99744873 is a wasteful number, since it uses less digits than its factorization.

99744873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329295.

The product of its digits is 1524096, while the sum is 51.

The square root of 99744873 is about 9987.2355033813. The cubic root of 99744873 is about 463.7638156510.

The spelling of 99744873 in words is "ninety-nine million, seven hundred forty-four thousand, eight hundred seventy-three".

Divisors: 1 3 101 303 329191 987573 33248291 99744873