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99998359 = 827120917
BaseRepresentation
bin1011111010111…
…01101010010111
320222011102221221
411331131222113
5201044421414
613531151211
72322654256
oct575355227
9228142857
1099998359
11514a027a
12295a5507
1317942b36
14d3d079d
158ba4224
hex5f5da97

99998359 has 4 divisors (see below), whose sum is σ = 100120104. Its totient is φ = 99876616.

The previous prime is 99998357. The next prime is 99998363. The reversal of 99998359 is 95389999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95389999 = 809117911.

It is a cyclic number.

It is not a de Polignac number, because 99998359 - 21 = 99998357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99998297 and 99998306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59632 + ... + 61285.

It is an arithmetic number, because the mean of its divisors is an integer number (25030026).

Almost surely, 299998359 is an apocalyptic number.

99998359 is a deficient number, since it is larger than the sum of its proper divisors (121745).

99998359 is a wasteful number, since it uses less digits than its factorization.

99998359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121744.

The product of its digits is 7085880, while the sum is 61.

The square root of 99998359 is about 9999.9179496634. The cubic root of 99998359 is about 464.1563443983.

The spelling of 99998359 in words is "ninety-nine million, nine hundred ninety-eight thousand, three hundred fifty-nine".

Divisors: 1 827 120917 99998359