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99996247 = 137692019
BaseRepresentation
bin1011111010111…
…01001001010111
320222011100001201
411331131021113
5201044334442
613531133331
72322645151
oct575351127
9228140051
1099996247
115149972a
12295a4247
1317941ba0
14d3cdad1
158ba37b7
hex5f5d257

99996247 has 4 divisors (see below), whose sum is σ = 107688280. Its totient is φ = 92304216.

The previous prime is 99996241. The next prime is 99996251. The reversal of 99996247 is 74269999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74269999 = 85986461.

It is a cyclic number.

It is not a de Polignac number, because 99996247 - 223 = 91607639 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 (99996241) 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 3 ways as a sum of consecutive naturals, for example, 3845997 + ... + 3846022.

It is an arithmetic number, because the mean of its divisors is an integer number (26922070).

Almost surely, 299996247 is an apocalyptic number.

99996247 is a deficient number, since it is larger than the sum of its proper divisors (7692033).

99996247 is a wasteful number, since it uses less digits than its factorization.

99996247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692032.

The product of its digits is 2204496, while the sum is 55.

The square root of 99996247 is about 9999.8123482393. The cubic root of 99996247 is about 464.1530766610.

The spelling of 99996247 in words is "ninety-nine million, nine hundred ninety-six thousand, two hundred forty-seven".

Divisors: 1 13 7692019 99996247